Malicious PDF — malware analysis report

Static analysis result for SHA-256 a56e32a19f3879d7…

MALICIOUS

PDF

45.6 KB Created: 2020-08-12 03:30:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ffc7968a93a7625c1d5e1f349b6ff8e3 SHA-1: 32ffc23e64b56329381fd134e3baaa436e6516ea SHA-256: a56e32a19f3879d7fe57b19e3005c840456a93b5c30ee60e34306ebb5b416a4a
194 Risk Score

Malware Insights

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

The PDF contains embedded links that are part of a link farm, with one primary link identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to PDF downloads and the malicious URL. The primary intent appears to be luring users to click the malicious link, likely leading to further compromise.

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=learning+strategies+in+second+language+acquisition+pdf+download In PDF document text
    • http://files.inspiredimagecreations.com/uploads/1/3/0/7/130775867/pojuweda-lazepikesub.pdfIn PDF document text
    • http://files.scatennis.com/uploads/1/3/1/8/131856456/tirozowawosofuxezoj.pdfIn PDF document text
    • http://files.district13masons.org/uploads/1/3/1/1/131164198/2533956.pdfIn PDF document text
    • http://lezegikig.cikgusaffuan.com/uploads/1/3/0/7/130775734/6b62489fb9.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/1/0438/2906/7938/files/jisarejit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2848/0157/files/foxunikelemir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5314/5495/files/bumekurugug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4216/8218/files/26129805466.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2037/6474/files/belobobomitudoxuba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/foliduges.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5526/6457/files/cell_phone_jammer_circuit_diagram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9181/2771/files/sigezizamedumuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2579/1138/files/pengertian_organel_sel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0014/3770/files/vivifoposefebenediwiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1370/9730/files/xalunenovurimana.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 5

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_off000073e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73E4 5480 bytes
SHA-256: 00db30523f67bd4daaae56f51445a886ad7eaf57ab7075247dc8516b34e4feef
font_01_sfnt_off0000869e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x869E 10136 bytes
SHA-256: cba3c9c99cef5b7533db87dec11dd3f9a23c194f0e81d5a9706d32ac50f5cb19

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