Malicious PDF — malware analysis report

Static analysis result for SHA-256 68aa4f535d28b0ae…

MALICIOUS

PDF

40.0 KB Created: 2020-08-16 20:01:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 20cb7848beb7a06332ed85e4b6dd6386 SHA-1: 6712068a6068d6d1c1d7a59a1ba299e33eba4ece SHA-256: 68aa4f535d28b0ae26d536dbc8c878ce2970337e4e69e07acf0210423703d0cd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF document contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body, though partially corrupted, contains a URL related to tracking Android phones, suggesting a lure for phishing or malware distribution. The presence of multiple external links and a malicious redirector indicates a likely attempt to drive users to 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.cc/pify?keyword=track+android+phone+using+imei+number In PDF document text
    • http://files.demornewarrenddub.com/uploads/1/3/1/4/131409170/dakodup-simegi.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/1/0433/4646/0830/files/koludilapad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2124/6359/files/aambala_songs_mass.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2508/8168/files/76134163509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1584/5541/files/mod_my_classic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5374/4279/files/67666620490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5490/8071/files/21092923542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8660/9573/files/kit_argentina_dream_league_soccer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7665/7051/files/wigikarutopizujatu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1322/6139/files/40181741784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2328/5920/files/14420613862.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_off00005e4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4B 5608 bytes
SHA-256: 4a960943647e26492cd56fa9d84653e166d56b29bfc59423c28611d48e37128a
font_01_sfnt_off0000712a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x712A 10056 bytes
SHA-256: 526a0af33046df9b7563c791c4b724a7989687958048ba77a979cd3d0c965ae6

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