Malicious PDF — malware analysis report

Static analysis result for SHA-256 69dc19ec7de1c602…

MALICIOUS

PDF

37.2 KB Created: 2020-08-15 05:12:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 15aaa880392717220931cf8273666e57 SHA-1: 0509dc725a535e5d029eced9d99545fb77d87103 SHA-256: 69dc19ec7de1c6020534dde49123051df3324336b0607d5498b704cb7a8aa755
194 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to a known malicious domain, identified as a redirector for SEO link farms. The document body, though obfuscated, contains text suggesting it is a manual, likely a lure to encourage clicks on the malicious link. The ML classifier also strongly indicated maliciousness.

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.ru/pify?keyword=2018+chrysler+pacifica+touring+l+plus+manual In PDF document text
    • http://pibarul.aapioneermarketing.com/uploads/1/3/0/8/130874232/nagegu.pdfIn PDF document text
    • http://files.blessthischildministries.com/uploads/1/3/2/3/132303170/pavalabu.pdfIn PDF document text
    • http://files.mickpedderelectrical.com/uploads/1/3/1/4/131406412/29f3a.pdfIn PDF document text
    • http://suliwa.techreviewsandnews.com/uploads/1/3/1/4/131454696/c337d148c809.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/1/0434/7658/2552/files/edward_said_orientalism.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8799/5814/files/53795031716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99237037604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5614/0186/files/pilot_aptitude_test_maths.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5511/8501/files/jurajadibovebepax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/omb_a_122_circular.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8178/5753/files/39318028595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/wunawusifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1430/7496/files/44380365431.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 2

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_off0000505f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x505F 5956 bytes
SHA-256: 0e8b8fdc85c77167d55ce501976b488fd661cb73d84fa1b9757de82cb0a9f6cf
font_01_sfnt_off00006477.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6477 10324 bytes
SHA-256: e97e51b4256595a58ac9d23c6e6a71b818885aa3d64af6e7aa741b1d461cd735

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