Malicious PDF — malware analysis report

Static analysis result for SHA-256 34885e5f32f79baa…

MALICIOUS

PDF

48.0 KB Created: 2020-08-17 07:47:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4b7fe6e62aa41f32145595c257d71212 SHA-1: d23a913a8a902673831ed6f87e452fe66371b76a SHA-256: 34885e5f32f79baa6124d8da267b2620a7da134de062b03c72684b89f45f8d0d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary malicious URL identified is ttraff.com, which is likely used to obscure the final destination of the attack. The document body contains garbled text and embedded URLs, suggesting it is not intended for legitimate user consumption but rather as a vehicle for link distribution. No scripts were extracted, but the presence of numerous links and the malicious redirector strongly suggest a phishing or redirection attack.

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=metodologia+tecnologia+e+informatica+scuola+primaria In PDF document text
    • http://files.sofiaahmad.com/uploads/1/3/1/6/131637178/69115484bb.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
    • https://cdn.shopify.com/s/files/1/0433/9132/0214/files/6851800625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4453/6473/files/fusatikenazaseguz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7000/5156/files/useful_business_english_phrases_email.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/all_of_me_piano_guys_sheet_music_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0898/1152/files/52087429362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9202/5249/files/joxafovixumunezedusuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8622/3262/files/fixiwadumuvedeget.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1509/2894/files/fiitjee_admission_test_sample_papers_for_class_9.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0883/5236/files/26431248924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6112/2974/files/magicite_guide_ffrk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6490/1284/files/vebil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/63543980426.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/economistas_liberales.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3853/0965/files/pradeep_biology_class_9.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
🗂 Part of campaign: mccoolauctions.net 3 samples

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000662c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x662C 5360 bytes
SHA-256: 6f5a3155db8dc8da30ac18af33a3a416ff4709258648986ad9072aeae4d1924a
font_01_sfnt_off0000785f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x785F 14540 bytes
SHA-256: 9aca5548bb080349a7ed3f5c1e4ebdf06a0743d4662d34403e15793534b15db5
font_02_sfnt_off0000a49e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA49E 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361