Malicious PDF — malware analysis report

Static analysis result for SHA-256 60f669268c8270bb…

MALICIOUS

PDF

81.0 KB Created: 2021-04-06 13:46:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 62fa51edbd903f3771c5d2ae61f45400 SHA-1: ab6d1fa886a957a685cb876a85b333921a08f2dd SHA-256: 60f669268c8270bbcf47a6faddfc26160ae3484303335e7549c3f54a3582db6a
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file exhibits characteristics of a link farm, with numerous external URLs embedded within its content. The document body, though partially corrupted, suggests a lure related to assembling a baby product, which is likely a pretext to direct users to malicious sites. The presence of ClamAV detection and ML classification strongly indicates malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://botokaw.ru/aws?utm_term=how+to+assemble+graco+swing+and+bouncer PDF link annotation
    • https://cdn.sqhk.co/mugapowejog/Yo0IqQn/wrestling_revolution_3d_pc_mod_wwe.pdfIn PDF document text
    • http://fojefojegut.medianewsonline.com/centella_asiatica_propiedades.pdfIn PDF document text
    • http://dosefokinuvulo.mypressonline.com/88991931023.pdfIn PDF document text
    • https://pawiwojofidinof.weebly.com/uploads/1/3/4/4/134458390/35147398ee.pdfIn PDF document text
    • https://digokevun.weebly.com/uploads/1/3/4/7/134747151/xepuzisufeso-jodirorufoded-kemulu-dogujejeloto.pdfIn PDF document text
    • http://favodokoleti.mypressonline.com/lafudubadefofubisoni.pdfIn PDF document text
    • https://riveveketudoj.weebly.com/uploads/1/3/4/7/134706505/masoge_waxevininatixa_juviburugezen.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450338/normal_5fdd23c5b1f48.pdfIn PDF document text
    • http://kakolamilasaru.medianewsonline.com/fallout_4_mods_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490724/normal_6021ef2c4ae68.pdfIn PDF document text
    • https://cdn.sqhk.co/dijabidasu/LvNMid8/lonovaxidel.pdfIn PDF document text
    • https://doxizuzipoleri.weebly.com/uploads/1/3/5/3/135323895/jesijoxemo.pdfIn PDF document text
    • https://vitekasawo.weebly.com/uploads/1/3/4/4/134456264/bobanojipotip-kitapolinosijex-nutojog.pdfIn PDF document text
    • https://cdn.sqhk.co/furigelo/Phchivy/61659846355.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://rigidafavubo.myartsonline.com/jaxubosunoriwavimemanuxer.pdfIn PDF document text
    • https://9849c7ec-8b19-4b81-9a64-db2537ea7c40.filesusr.com/ugd/97b1c0_ddea5451cbbb414098a3e7e1f2deac58.pdf?index=trueIn PDF document text
    • https://52b03d57-94e3-497b-b2ee-5a576b8f136c.filesusr.com/ugd/67ae49_302f3304222a4bd7922bd2f41b2371e9.pdf?index=trueIn PDF document text
    • https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_7a972be56b9b4ab68d0c88a11b2ec437.pdf?index=trueIn PDF document text
    • https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_e65e1e4c5d744c3f9deeab49d5c55316.pdf?index=trueIn PDF document text
    • http://xanedemu.onlinewebshop.net/miller_xmt_304_cc_cv_price.pdfIn PDF document text
    • http://domuromu.atwebpages.com/44300980458.pdfIn PDF document text
    • http://negumigimewote.onlinewebshop.net/sadavopaxesonufefuzesi.pdfIn PDF document text
    • https://170a7d3c-74f0-42f5-9ead-98ae292a4922.filesusr.com/ugd/a18aa6_3006124c327b4ed6aefc8fe55c6102ee.pdf?index=trueIn 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_off0000ec6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC6C 5332 bytes
SHA-256: 8492df6e0d4d61b7971571c3cdbed6a2bf2bfbe0c1f7cfa1b1cee7ecf74ce8e4
font_01_sfnt_off0000fe81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE81 12624 bytes
SHA-256: 2d1234c5ae11f8761bfc0bfec7caf01ca45e9558862e19f0a25371c8df934f15
font_02_sfnt_off00012859.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12859 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c