Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f7f0183c4d7e48f…

MALICIOUS

PDF

48.7 KB Created: 2020-08-07 06:11:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b525b28ead394d1d5726858729200635 SHA-1: 5be495440459387d92262e8696ce4589214641fe SHA-256: 0f7f0183c4d7e48f9dd44379ed55ef0fb49aaf374a48341b5e850782f3c10618
194 Risk Score

Malware Insights

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

This PDF document contains multiple embedded links, including one pointing to a known malicious redirector at `https://ttraff.com/pify?keyword=lung+abscess+guideline+pdf`. The document body and heuristics indicate a lure related to a 'lung abscess guideline', likely a phishing or scam attempt. The presence of numerous Shopify-hosted PDF links suggests a link farm for SEO poisoning or traffic generation to the malicious redirector.

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.com/pify?keyword=lung+abscess+guideline+pdf In PDF document text
    • http://files.ecoessex.com/uploads/1/3/0/7/130776720/9598725.pdfIn PDF document text
    • http://files.arcadianvacationrentals.com/uploads/1/3/1/6/131606745/wineduloga.pdfIn PDF document text
    • http://files.lazycf.net/uploads/1/3/2/6/132681342/tupibojep.pdfIn PDF document text
    • http://files.edgecombebrothers.com.au/uploads/1/3/0/8/130874129/gevewi_misivu_muxadapolifej_wigom.pdfIn PDF document text
    • http://files.wavehypnosis.com.au/uploads/1/3/1/3/131384636/zezof.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1434/9215/files/kolatexazabukubidales.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1608/4891/files/jigenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4713/2068/files/physical_science_grade_12_quanta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9208/6685/files/firewall_security_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2658/6519/files/13357167142.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1896/0545/files/zokenudisil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9421/1750/files/candy_juntar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3852/3047/files/the_official_guide_for_gmat_review.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6197/5971/files/aiou_admission_form_spring_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4635/4592/files/gavojof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/zodewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3893/3146/files/runobavufulaxan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5823/3493/files/consecuencias_de_los_malos_habitos_alimenticios.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ad0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD0 5308 bytes
SHA-256: 743519f13f4ff1fa0bd4197e1720aa7b5ef0cc8bea23f63e9b8ebcfd65e55d75
font_01_sfnt_off00007cf7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF7 10292 bytes
SHA-256: 2e1c2e94aa20442b97fc9fd0c2de14b5340a7b1dd3896caaf9fb945c05069d85
font_02_sfnt_off0000a057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA057 16204 bytes
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449