Malicious PDF — malware analysis report

Static analysis result for SHA-256 3392d002f7f899fc…

MALICIOUS

PDF

42.4 KB Created: 2020-08-13 15:32:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 73404a06dfd5f0cc373646cc777e1556 SHA-1: 5a481e07ce144e35caa315cfbce6cd9ba3821c3a SHA-256: 3392d002f7f899fc8d1b9b7109b1cb85fdb958bb162e4f563fd753f878263bc4
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=after+livro+5+pdf+baixar'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many of which point to Shopify domains hosting PDF files. The document body, though heavily obfuscated, also contains the malicious redirector URL and several benign-looking Shopify URLs, suggesting a lure to download or access content that ultimately leads to the malicious site.

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=after+livro+5+pdf+baixar In PDF document text
    • http://files.imssb.com/uploads/1/3/1/3/131380480/196340.pdfIn PDF document text
    • http://firuni.scrumara.info/uploads/1/3/1/6/131636612/84512.pdfIn PDF document text
    • http://files.rosewoodranchmn.com/uploads/1/3/2/6/132696030/modinixat.pdfIn PDF document text
    • http://files.megansz.com/uploads/1/3/2/6/132682585/kupovewem.pdfIn PDF document text
    • http://disulom.ourfamilyunion.com/uploads/1/3/0/7/130775195/2b043ddb1c.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/1/0431/0522/2813/files/56132012760.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8072/1311/files/pneumatic_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9619/5737/files/93979409204.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0379/7913/files/wototipimuxive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7958/1352/files/83682479733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7946/7162/files/6871958334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8260/4963/files/92849539637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5598/0439/files/11076046897.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6359/7473/files/contoh_putusan_arbitrase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/5703343665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4511/0438/files/lusaxavexefop.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 6

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_off0000637b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637B 5240 bytes
SHA-256: 3564cf9ca73be10e9c9253b2850849863bf93cfba9369b839ed4bd13b3ab2894
font_01_sfnt_off0000756a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x756A 13400 bytes
SHA-256: bb16180c4554d8968fb3c372980453b7ad5aa4cd1b95ff8727ea651b6969a466

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