Malicious PDF — malware analysis report

Static analysis result for SHA-256 074c7ae50ba73005…

MALICIOUS

PDF

52.2 KB Created: 2020-08-11 18:11:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 126f5cf32f434fc726f06fde57c870b4 SHA-1: 0aa419d5cc724be166c719cabf5d61762268b8b1 SHA-256: 074c7ae50ba7300521ab5dee80969a4d8e97ef64411b31601fabc6240555fc2c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a malicious SEO link farm, specifically `https://ttraff.com/pify?keyword=babysitting+application+pdf`. This indicates a phishing or scam attempt, likely using the 'babysitting application' lure to entice clicks. The presence of numerous external PDF links further supports the SEO link farm heuristic, suggesting an attempt to generate traffic or distribute further malicious content.

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=babysitting+application+pdf In PDF document text
    • http://files.glennmehrbach.com/uploads/1/3/2/6/132682883/pagamotidujaloxixin.pdfIn PDF document text
    • http://files.ecoringusa.com/uploads/1/3/1/1/131164572/06bec0273.pdfIn PDF document text
    • http://parinu.criminallyinteresting.net/uploads/1/3/2/8/132814930/7848017.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/1/0439/3969/2699/files/san_francisco_bart_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7279/0427/files/13036380954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6931/7013/files/jiwixepuxesuzobidoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6133/7494/files/97213046198.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3282/9342/files/15510798631.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3074/8072/files/jobudosemusereg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6389/2376/files/jijulotakodotawopelitod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3752/2085/files/62218998365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6939/0500/files/bosch_ascenta_dishwasher_manual.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 3

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_off00008df6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF6 5520 bytes
SHA-256: 7bce78321ba59aa9f94291ef6ccb48a9f620a3a464220eaf879e953897f9daaf
font_01_sfnt_off0000a0c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0C3 10500 bytes
SHA-256: 34cc2bb13880ee0a27c5395c5f646e6a7cac177c23eaf7fde9ce95c950dab544

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