Malicious PDF — malware analysis report

Static analysis result for SHA-256 e068dee9e2a58bda…

MALICIOUS

PDF

63.6 KB Created: 2020-10-28 10:59:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 576754ffb6596d66d2e8fdb62b910f15 SHA-1: b73e168911da968a5ce47173aba4ebe295b46d04 SHA-256: e068dee9e2a58bdae37b168f1aa54faab1215abb4d47528e559d884eb606d92d
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ttraff.me/pify?keyword=ravi+river+city In PDF document text
    • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/3952853.pdfIn PDF document text
    • https://nakoliveb.weebly.com/uploads/1/3/4/5/134503524/9e8b07236a.pdfIn PDF document text
    • https://judiwufafa.weebly.com/uploads/1/3/3/9/133999980/zabota-dadosam-kegajajala.pdfIn PDF document text
    • https://nevijajemiwawo.weebly.com/uploads/1/3/4/3/134340376/rowagizanodowu_bevuretozoxo.pdfIn PDF document text
    • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/digokasawuj-jipamuputevuf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/4132/7774/files/does_the_wii_u_play_dvds_or_blu_rays.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/7481/7693/files/jiluwilarikawijad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8985/2571/files/65870889374.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/0020/4959/files/47796003042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/0890/4346/files/crouse_hinds_cable_gland_cross_reference.pdfIn PDF document text
    • https://s3.amazonaws.com/jazofi/safe_haven_assets.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/52558116268.pdfIn PDF document text
    • https://s3.amazonaws.com/lupuvogotog/75099352511.pdfIn PDF document text
    • https://s3.amazonaws.com/jamokaroxoj/95804273584.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d0382c7-e44d-4707-819c-de812a573a2f/44087005670.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41497edb-908a-40f6-a45f-397b0dd2a13b/the_joiner_and_cabinet_maker.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d005739-3100-431d-ad4d-f620624d056b/nearest_airport_to_thomasville_ga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb632fb3-6f54-4f57-af56-3e9dd81d29e9/kizupimukibuposalasijuze.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a42f0e55-a52e-494f-979c-9bd22124c8b8/94164091216.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c39346f1-1bc5-4089-8205-521702beec45/xujixoketufotenelawixolal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6ea921c-b9b0-4e03-be0c-6bd27b99cda7/clases_para_adolescentes_de_escuela.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
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aba1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABA1 4752 bytes
SHA-256: e801514fa38545fbb148be4331d76f8b2edd14c616b18a17ba82186c22f53cd6
font_01_sfnt_off0000bbe7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBE7 12124 bytes
SHA-256: 8ace5737c6dfe402abaee9cc0e7153895adaf08194b69f8980decc9fdbe38722
font_02_sfnt_off0000e51f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE51F 2912 bytes
SHA-256: 753a1e42cec0ffb50e3061ab0da3c2dc37c098446f14e1ddca6ab323c3093ecd