Malicious PDF — malware analysis report

Static analysis result for SHA-256 af29c4072e9803fb…

MALICIOUS

PDF

109.7 KB Created: 2020-10-25 02:47:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 910ccfef76e9100c2a356ff82bf64230 SHA-1: ea7f4ab489b032bf863f6235c8e83894e2153081 SHA-256: af29c4072e9803fbfc4afbe36e23b8828a71d4255fa3a92c81c5f0950f334556
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://cctraff.ru/wb?keyword=bobinado%20de%20motores%20trifasicos%20pdf In PDF document text
    • https://gumiworawogulaf.weebly.com/uploads/1/3/4/3/134356348/rasovewapezugef-fajupubipavaz.pdfIn PDF document text
    • https://kitujimozudek.weebly.com/uploads/1/3/4/3/134375735/pevolabox-gegex-wumetexuma-jawuku.pdfIn PDF document text
    • https://wuwotozon.weebly.com/uploads/1/3/4/3/134315251/5530131.pdfIn PDF document text
    • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/sodofekobiw_jemadozaxuwolo_xoputegonar_jonumipebofi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
    • http://smc.org.inhttp://smc.org.inIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/7927/3115/files/honeywell_thermostat_rth2300b_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/7794/6526/files/historic_hotels_in_new_england.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/2463/6823/files/69060591748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5969/8077/files/findlay_municipal_court.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/6312/2328/files/51871994643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0487/0553/6150/files/54021928017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/7208/5926/files/neuronale_netze_buch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/tumuxalegirisakenig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2937/2832/files/49852668647.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/wozedow.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/blue_planet_student_book_2.pdfIn PDF document text
    • https://s3.amazonaws.com/henghuili-files2/58932034354.pdfIn PDF document text
    • https://s3.amazonaws.com/zirojopemup/15535025533.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/subject_verb_agreement_exercises_with_answers_grade_3.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/55707598511.pdfIn PDF document text
    • https://s3.amazonaws.com/gurowozenupifi/wunudupiratovizizokamaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0491/8971/6134/files/71327225844.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/8309/3910/files/matter_analogies_worksheet_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/8081/0140/files/29226284248.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001369a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1369A 7212 bytes
SHA-256: 99f58e32e68305999f0e4c8c7b182e97f7d4e956b5d399cba5f57327f4c5843a
font_01_sfnt_off000148a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148A1 5456 bytes
SHA-256: 2a84e348ddcc1a5abe891ef95bed276e841a7fbedcfae5a74c7fcf0259938ab1
font_02_sfnt_off00015b0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15B0C 2788 bytes
SHA-256: e2f59ea5f87c126dcb10e8a293e99be776b93ddfcb0db2543399933cb2c2b410
font_03_sfnt_off0001660f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1660F 16012 bytes
SHA-256: 2805a1158093ae72ac491fef6f2099755e5c1814a55b079349ba4e97cd3ff1a0
font_04_sfnt_off0001964c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1964C 6464 bytes
SHA-256: 0025dcaf61c1ba964a842f2b68a9eaf9ded421c4f7ea26e72cf4c809b1553d8e