Malicious PDF — malware analysis report

Static analysis result for SHA-256 17d007f402b61d96…

MALICIOUS

PDF

60.6 KB Created: 2020-08-10 19:06:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 389d4f45f65f1b4707d123c08ed5ab1c SHA-1: 2c8fa4f749023ef9ce460e9417a9b20804f395b0 SHA-256: 17d007f402b61d96559a8ce2d79aa24e8734fb15fbf567ae7098e727914a936d
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed for SEO spam and phishing. The document body, though heavily obfuscated, contains a reference to the same malicious URL, suggesting an attempt to lure users into clicking it. The ML classifier strongly indicates maliciousness, and the heuristics point to a redirector link and a link farm, typical of phishing or malware distribution schemes.

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=biografia+de+alexander+fleming+pdf In PDF document text
    • http://jizezusa.singingeaglelodge.org/uploads/1/3/1/4/131453046/692199.pdfIn PDF document text
    • http://kowuse.basketcasestheatre.org/uploads/1/3/0/8/130874359/6903653.pdfIn PDF document text
    • http://files.emmapickettbreastfeedingsupport.com/uploads/1/3/0/8/130813401/wubowovopuvapuj.pdfIn PDF document text
    • http://files.donnafiggdesign.com/uploads/1/3/1/1/131163902/06ad8.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/1/0436/4081/5774/files/63805517107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8432/5798/files/arraylist_em_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1333/3411/files/nadikudir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8056/files/dixep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7104/4770/files/breakthrough_prayer_jim_cymbala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/rerezuwotorudozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xamunodobesezuwenetubaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5763/5743/files/xunenub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0937/5383/files/bijasizegokinegi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4857/4884/files/fupofexoxabevapuditaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9164/6880/files/rotujiwemoberuzikamamuze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1651/0873/files/12186749602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9496/6436/files/33249895462.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
🗂 Part of campaign: emmapickettbreastfeedingsupport.com 5 samples

Related samples 3

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_off0000af7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF7F 5300 bytes
SHA-256: 7bfd4dbeafa63ccc95097f06059df181f2fecc584585b8879cd7dbb9027891ce
font_01_sfnt_off0000c173.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC173 10484 bytes
SHA-256: 0fba27acd8ee6a30e4fcfb9a312f41a2516f39d407baa0af231f78e5aaa103c2

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