Malicious PDF — malware analysis report

Static analysis result for SHA-256 62563c988ccce0ad…

MALICIOUS

PDF

44.9 KB Created: 2020-08-25 03:04:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2904eaefe99cde17242299c12201e7d6 SHA-1: ffdca4b7cf52ab2c71e7921dace8487a58d72e6b SHA-256: 62563c988ccce0ad948477fee198343b62e5a2ede7405633a6391633f7032425
194 Risk Score

Malware Insights

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

The PDF contains a link disguised as 'Sales manager interview questions and answers' that redirects to a malicious URL. This is a common phishing lure to trick users into visiting a compromised site. The PDF also contains a large number of links to other PDFs, suggesting it is part of a link farm designed to improve SEO for 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.ru/pify?keyword=sales+manager+interview+questions+and+answers In PDF document text
    • http://files.ethelbustamante.net/uploads/1/3/1/4/131406356/7012749.pdfIn PDF document text
    • http://jarune.tourdetech.net/uploads/1/3/1/4/131437363/70038.pdfIn PDF document text
    • http://files.livitbrands.com/uploads/1/3/1/1/131164520/6276573.pdfIn PDF document text
    • http://fekor.tripblisstravel.com/uploads/1/3/2/6/132681670/8e49bd047.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/1/0434/1334/0312/files/seriloborot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8047/2984/files/kilun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6970/2306/files/wisezeravabagifisapadis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2965/9805/files/movixuzizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2874/0258/files/saint_seiya_awakening_character_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8276/7779/files/carplay_android_mercedes_clase_a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0722/7542/files/baby_pictures_app.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2658/6522/files/java_7._1_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7104/4770/files/37082305755.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_off00007140.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7140 5528 bytes
SHA-256: 02742c8ee25ce437668df4e274d307c7a92c49ae2a03eb3e47a208fcd36a497e
font_01_sfnt_off000083f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83F0 10028 bytes
SHA-256: 42aa9279d2be2e98c25e4824518576a8d57daab8d6e2aa0d32879bdb7100988a

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