Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab6943dbce788114…

MALICIOUS

PDF

41.0 KB Created: 2020-08-20 18:14:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dd7d5c9788bfb7b08fd8b8b443f1839c SHA-1: 93c774e8bf9c7172db4edef35ffd2970f48e350c SHA-256: ab6943dbce788114e474fd61a9a526e3ae17b6780914ebf65548119b490a0c92
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure for a job application, which is a common tactic for phishing and scam campaigns. It embeds multiple links, with one pointing to a known malicious redirector (ttraff.ru). The document body, though heavily obfuscated, also contains this URL and other links hosted on Shopify, some of which are benign. The presence of a callback phishing lure further supports the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.ru/pify?keyword=job+application+letter+for+accountant+assistant+pdf In PDF document text
    • http://winat.kellysserenityhouseinc.com/uploads/1/3/2/6/132680981/df7829f43.pdfIn PDF document text
    • http://mewis.t9corp.com/uploads/1/3/0/7/130775565/0c459.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/1/0438/0780/1504/files/thinking_out_loud_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7752/files/zunotakub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4751/7349/files/sonda_vesical_suprapubica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0541/0471/files/73051910235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0614/7230/files/gubagutizuselijosisixezas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4214/3397/files/animer_une_session_de_formation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7482/2044/files/2459904718.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8475/0741/files/91130662909.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/99511619343.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3123/2674/files/rufifubuzelakitew.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6134 5276 bytes
SHA-256: bbec623db2af83db702e8dde5bdfb95e12664d7e877a0fee316e0fce22cb52f1
font_01_sfnt_off00007325.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7325 10472 bytes
SHA-256: c65d0a277412888b1bcfb6683d1c342cdb10833b2ea41f4d9124015db7f87894

Open this report in the interactive analyzer, or submit your own file for analysis.