Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc35bec3e9596596…

MALICIOUS

PDF

44.2 KB Created: 2020-08-06 08:12:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3d15dfc9defb705e6a2d4753ae677f41 SHA-1: 3f9031c9ff480dcaf06a044f4cf189a14fe23867 SHA-256: fc35bec3e9596596cfa97035cf04fbd81f5143789450b2350073db69d85e7883
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 'https://ttraff.cc/pify?keyword=golongan+bronkodilator+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though partially corrupted, contains text related to 'Golongan bronkodilator pdf', suggesting a lure to disguise the malicious redirection. The primary intent appears to be redirecting users to malicious infrastructure.

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=golongan+bronkodilator+pdf In PDF document text
    • http://files.pentepoets.com/uploads/1/3/0/7/130740364/wivolimivuza.pdfIn PDF document text
    • http://files.jennifercronk.com/uploads/1/3/0/8/130813461/7555371.pdfIn PDF document text
    • http://files.extremechallengepuertorico.com/uploads/1/3/1/6/131606186/sapeme.pdfIn PDF document text
    • http://files.ccwinch.org.uk/uploads/1/3/0/7/130740207/7198660.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/1/0430/6200/1821/files/gudij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6341/8784/files/git_set_tracking_branch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4624/8358/files/71111976251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6348/4315/files/nabapi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0274/9347/files/bl_novel_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1775/6062/files/20490640320.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2158/9913/files/jizuzejuvijutef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7142/9015/files/microbiology_laboratory_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8005/5965/files/42424097307.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4953/3088/files/47912894916.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_off00006efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFE 5264 bytes
SHA-256: f2b413fc3eacb36921efdabef39a94654a6bfec809f9c9ad135642abaa16a819
font_01_sfnt_off000080f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80F4 10236 bytes
SHA-256: 928d33807a5334174960aa180f0ca450e692547a34f48ff60e652370eef00ae2

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