MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Urine biochemical test pdf' and references the wkhtmltopdf tool, suggesting a lure to disguise malicious links as legitimate documents. The presence of a link farm heuristic further supports the attack pattern of attempting to drive traffic to potentially harmful sites.
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.com/pify?keyword=urine+biochemical+test+pdf In PDF document text
- http://wibojud.ww.juliewhitbyyoga.com/uploads/1/3/1/0/131071164/b67b7d.pdfIn PDF document text
- http://files.furnitureinthemaking.com/uploads/1/3/1/3/131378968/e8b61b036aac77e.pdfIn PDF document text
- http://files.morrowartscenter.com/uploads/1/3/0/7/130775727/a286c7.pdfIn PDF document text
- http://files.100womenchicago.com/uploads/1/3/0/9/130970009/6d8089b.pdfIn PDF document text
- http://files.raleighgroomingacademy.com/uploads/1/3/0/8/130814169/fizuta.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/1/0427/9438/5575/files/5069346172.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3655/6962/files/16774197688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2744/5398/files/game._co._za_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/chemistry_in_everyday_life_notes_for_neet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/74673850624.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5389/1232/files/applied_combinatorics_alan_tucker_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9171/3443/files/mods_forestier_farming_simulator_2013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0491/2031/files/40130841530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9416/3109/files/ceros_dan_batozar_tere_liye.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2816/9382/files/famitovopunuzofevajaxone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0081/files/lubetofufekavukodowiwog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26450106566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8471/7979/files/43390100827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5830/8006/files/faniwofudifitodum.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_off0000711a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711A | 5524 bytes |
SHA-256: 04d6340c0306ea3ffad20f4434f5a34d451e7dee273f3a47c7da950d5619072e |
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font_01_sfnt_off000083b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B5 | 10012 bytes |
SHA-256: 7e84a7249da64db34149e1e3c01eb9667cdbd08dc03509d7ca9aec205b8e9fe2 |
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