Malicious PDF — malware analysis report

Static analysis result for SHA-256 775911469ad865f7…

MALICIOUS

PDF

65.8 KB Created: 2021-01-15 04:36:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bc5ffb582d7de4c1d3f7f38a053d495c SHA-1: da23b8e5c948ca297d41ce3fc5dd68de394288c9 SHA-256: 775911469ad865f76e2c4518d39960cc3bc5e1490216319a3f08c4039e019017
254 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to redirectors and SEO farms, indicating a phishing or scam attempt. The primary malicious link identified is 'https://gettraff.ru/aws?utm_term=flannel+fitted+sheet+deep+pocket', which is flagged as a malicious redirector. The ML classifier and ClamAV also strongly indicate maliciousness, likely related to phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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://gettraff.ru/aws?utm_term=flannel+fitted+sheet+deep+pocket In PDF document text
    • https://s3.amazonaws.com/wupagivoz/99554996635.pdfIn PDF document text
    • https://site-1178192.mozfiles.com/files/1178192/photo_hair_color_changer_app.pdfIn PDF document text
    • https://site-1212417.mozfiles.com/files/1212417/pefim.pdfIn PDF document text
    • https://bululirujoko.weebly.com/uploads/1/3/4/4/134487270/fapagugud.pdfIn PDF document text
    • https://s3.amazonaws.com/polexebuj/madediziz.pdfIn PDF document text
    • https://s3.amazonaws.com/fuzafuzeruwit/yesterday_movie_imdb_parents_guide.pdfIn PDF document text
    • https://site-1248967.mozfiles.com/files/1248967/america_s_got_talent_winning_performance_2019.pdfIn PDF document text
    • https://leduzurukidep.weebly.com/uploads/1/3/4/8/134858842/9950723.pdfIn PDF document text
    • https://site-1168115.mozfiles.com/files/1168115/red_ball_forever_2_unblocked.pdfIn PDF document text
    • https://s3.amazonaws.com/ninasivol/4liker_old_apk.pdfIn PDF document text
    • https://site-1172346.mozfiles.com/files/1172346/monthly_calendar_september_2019_template.pdfIn PDF document text
    • https://s3.amazonaws.com/paropabaru/5549085263.pdfIn PDF document text
    • https://s3.amazonaws.com/rufonali/64351833238.pdfIn PDF document text
    • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/volisilitij_luperodebif_vaxulaxolirid.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b46b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB46B 6744 bytes
SHA-256: 127b44c9f93874c96d25eb7ddc4688780d8877ce931cf296363fb5748d8d514b
font_01_sfnt_off0000c552.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC552 5164 bytes
SHA-256: b183e93b6cef17201191fa9ff71bcc94ba17915a452883ccce92ee5b8c30db02
font_02_sfnt_off0000d6f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6F1 9736 bytes
SHA-256: c2f3fe3973dcc4d232acce03cb57a9d213519a984591f5d76f0f37bc658c24de

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