Malicious PDF — malware analysis report

Static analysis result for SHA-256 5962416119c67de6…

MALICIOUS

PDF

44.8 KB Created: 2020-08-24 09:25:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f58875236defb92e1c25d7d4864f24c SHA-1: 5e608c7261e0b91ac439690ac3cf8260dac09840 SHA-256: 5962416119c67de68ce81461c40339e375923b2c4a11934eafc2d06be1bde882
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=humanistic+and+existential+personality+theories+worksheet'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent.

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.cc/pify?keyword=humanistic+and+existential+personality+theories+worksheet In PDF document text
    • http://bajefa.ryanjohnarnold.com/uploads/1/3/2/3/132303079/kepipomaditiwixig.pdfIn PDF document text
    • http://files.wattsdidierarchitects.com/uploads/1/3/2/6/132681194/4874096.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/1/0434/0069/1866/files/python_3._7_64_bit_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/bdubs_menu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0679/5686/files/i_can_t_help_falling_in_love_with_you_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7678/0192/files/wamojoxanobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0998/2107/files/sarowisedidekopajigiku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0916/2907/files/42462344234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7383/1066/files/97007544172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7699/3702/files/tit-_for-_tat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0645/9029/files/morowarizuxoniwumemi.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: synergistic-approach.com 3 samples

Related samples 2

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_off000065ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65ED 5484 bytes
SHA-256: 7d0f748f2d0797bf55611a02609eda2a00c302de155eb4f757d39d4fb89ad381
font_01_sfnt_off00007867.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7867 9156 bytes
SHA-256: de1d6f4f35f4e2ffba4f3eff139e326c2d819cf5bf335df4e8cef5a462b58f4d
font_02_sfnt_off000097ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97AE 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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