MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links to redirector infrastructure, specifically `https://ttraff.com/pify?keyword=pdf+annotator+online`, which is also flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other links to PDF files, suggesting a lure to download further content or potentially malware. The heuristic `SE_BROWSER_INSTALL_LURE` indicates the document attempts to trick the user into installing software, a common tactic for credential theft or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.com/pify?keyword=pdf+annotator+online In PDF document text
- http://files.agextonline.com/uploads/1/3/1/8/131856027/wawujetexaxibopux.pdfIn PDF document text
- http://files.mamasteessentials.com/uploads/1/3/0/9/130969847/3767124.pdfIn PDF document text
- http://files.leahkneipp.com/uploads/1/3/1/8/131871859/bawow_wizekun_forulaxiwob.pdfIn PDF document text
- http://pefomam.miainterafricatv.com/uploads/1/3/2/6/132695384/lukosawef-domuguzu-gomusefojomojem.pdfIn PDF document text
- http://files.allisondfredette.com/uploads/1/3/2/7/132740533/netilaxerares.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/1/0435/3612/2008/files/jinut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7691/9194/files/87300619299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3192/8740/files/71716973283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/watuvuvitubowijodix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/69295115370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5815/9006/files/66996536260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4891/9459/files/48111074350.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8042/4351/files/macbeth_revision_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/sleep_in_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5704/4890/files/foxaxopejuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5377/7047/files/43737281956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2164/6498/files/lewibevukepawusosijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1409/3986/files/accounting_principles_weygandt_11th_edition.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_off00008237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8237 | 4724 bytes |
SHA-256: 60cf8b615c13fa76cbdb4b00982373b4b0ba81a68b75d4183c9265c10b0f1779 |
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font_01_sfnt_off00009255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9255 | 10532 bytes |
SHA-256: 90f2d7cb220ea1c195294fba461ed5556f85ff2aa1aeee9e928d76c9a831a541 |
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