Malicious PDF — malware analysis report

Static analysis result for SHA-256 3554ae88181110e3…

MALICIOUS

PDF

38.4 KB Created: 2020-08-04 19:55:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 93d25ea05b71e3e39902bff3c4a9765e SHA-1: dc21979852a5bd7677155906568bfd6564ca20ee SHA-256: 3554ae88181110e3754864b521f80fed9398aa8bffa493ba9b159f7821412b78
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a lure related to a book title, and the malicious URL is embedded within this context. The file also contains a mass of external PDF links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination.

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=al+arabiyyah+bayna+yadayk+book+1+pdf In PDF document text
    • http://files.rotolomusic.com/uploads/1/3/2/3/132302810/zumob.pdfIn PDF document text
    • http://files.thelashladyutah.com/uploads/1/3/0/8/130814531/sijupedufomulamag.pdfIn PDF document text
    • http://files.325986690869568534.com/uploads/1/3/1/3/131380158/gadivujifemavoz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6769/4501/files/xikefulewuxuliv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/jajolofakatibuzanonejad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7991/5934/files/55552678286.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/22727361750.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6625/3724/files/vaxevuwupewoxujugofevixof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6680/9765/files/hodgdon_reloading_manual_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6508/7902/files/82021354855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/89919528202.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 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004984.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4984 4888 bytes
SHA-256: 5b35248847b7ba2badb70a1c09f06c342f531497c7847638c11e5c1e7b9a32ee
font_01_sfnt_off00005a0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0A 10836 bytes
SHA-256: 90192358b6d99c7e2a30d7d59221dd0e774e215b5d81a156343429b412441d75
font_02_sfnt_off00007ecc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ECC 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

Open this report in the interactive analyzer, or submit your own file for analysis.