MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing lure for free downloads. The primary redirector URL is https://ttraff.cc/pify?keyword=amplitude+modulation+using+matlab+pdf, which is flagged as malicious. The document body, though heavily corrupted, also contains this URL, reinforcing the phishing pretext. No scripts were extracted, but the presence of malicious redirectors and a large number of external links indicates a high likelihood of a malicious download or phishing campaign.
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.cc/pify?keyword=amplitude+modulation+using+matlab+pdf In PDF document text
- http://files.alanbirtwistle.com/uploads/1/3/1/3/131383664/werox_xapedewero_bemidituziv_zurer.pdfIn PDF document text
- http://files.josesaladbar.com/uploads/1/3/2/6/132682093/928054.pdfIn PDF document text
- http://files.highbanks.marketingfactorygroup.com/uploads/1/3/0/8/130874541/5730452.pdfIn PDF document text
- http://files.sathiavanee-veeramoothoo.com/uploads/1/3/1/8/131871891/jidutemepupaz.pdfIn PDF document text
- http://files.stevevergara.com/uploads/1/3/1/3/131382583/8b52d5615.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/1/0433/4383/9385/files/fawef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/online_calculator_with_tape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7539/3944/files/92671741450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5079/4145/files/8320899238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/97184046270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5511/9520/files/seconds_to_milliseconds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/79163769174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8331/7926/files/sindrome_de_apnea_hipopnea_obstructiva_del_sueo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7514/1794/files/vanejokorisubak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6187/9719/files/sama_veda_in_odia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5430/9280/files/vebikeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0408/2851/files/53738080146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1062/9532/files/69021585108.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7709/8902/files/38940501128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/52585943143.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000701b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x701B | 5392 bytes |
SHA-256: 9280ee65a0a97383d2d9202d171a64561bb79768e1c6e7965f3e6030ca38f959 |
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font_01_sfnt_off00008256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8256 | 14572 bytes |
SHA-256: 4c3f736cdf3f0df632764197a0f8bd5dce963a86471b78928ae4f3685299a9f3 |
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font_02_sfnt_off0000b06b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB06B | 16128 bytes |
SHA-256: 2273d2f731bf59a8a8908055ba78c2617298a1e9dd736f51235982cec4781911 |
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