MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service that is known to host malicious content. The primary redirector URL, 'https://ttraff.ru/pify?keyword=cronometer+app+android', is presented as a lure for a 'cronometer app android'. While no scripts were explicitly extracted, the PDF structure and numerous links suggest an attempt to direct the user to a malicious site for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=cronometer+app+android In PDF document text
- http://files.paludarium.net/uploads/1/3/1/4/131409264/4801d6916ea04.pdfIn PDF document text
- http://files.hawaiiplantationmuseum.org/uploads/1/3/0/7/130739163/6362064.pdfIn PDF document text
- http://napif.cometboosterclub.com/uploads/1/3/0/8/130874359/guruwa.pdfIn PDF document text
- http://files.okmiataclub.com/uploads/1/3/1/4/131437823/nosegipekusi_nomupiz_vuzokarolir.pdfIn PDF document text
- http://files.amberabel.com/uploads/1/3/1/3/131379443/a105f.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/1/0437/5665/0645/files/elcometer_456_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6870/3398/files/cadette_woodworker_badge_requirements.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2776/7206/files/dujefegepaxapolozujim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/4136583363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4857/4886/files/75005955515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6272/1688/files/african_american_history_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5989/5717/files/muslim_boy_names_in_urdu_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6372/9557/files/wubewujerog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8455/4135/files/sample_joint_venture_agreement_between_two_companies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2437/5194/files/careers_in_educational_psychology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofifarigomikidapowokov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0301/8392/files/nomorasonekipifajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4357/0343/files/61490013766.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D5D | 4800 bytes |
SHA-256: b8d8dd2bd132068f4dd7366a32d640ca47de3ee7b1828da99908676b3989ea12 |
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font_01_sfnt_off00007d86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D86 | 9984 bytes |
SHA-256: 923a2f4e62611c4c1815da56b02217509903dff4e48af6ac59f66c079610e0ea |
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