MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.cc/pify?keyword=simple+way+to+learn+english+speaking+pdf, which likely leads to further malicious content. The document body, though heavily obfuscated, contains references to learning English, suggesting a lure to entice users to click the malicious link. The ML classifier strongly supports the malicious nature of this PDF.
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=simple+way+to+learn+english+speaking+pdf In PDF document text
- http://files.tamsynvanrheenen.com/uploads/1/3/2/8/132814022/5233260.pdfIn PDF document text
- http://files.talsegevphotos.com/uploads/1/3/1/3/131398555/kiwuvibekuwotiwaxaja.pdfIn PDF document text
- http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdfIn PDF document text
- http://files.arcc06quebecmetropolitain.com/uploads/1/3/1/4/131484133/pajub.pdfIn PDF document text
- http://files.wistorian.com/uploads/1/3/0/7/130739758/sabid_selik_baletoralo_mozifo.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/1/0433/0687/7080/files/43034806536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7260/0726/files/57704936986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8802/7556/files/pokemon_ruby_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9309/0714/files/41617056230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2536/7194/files/49068027307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/7030/4935/files/medela_breast_pumps_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9322/0766/files/66135091420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4638/7362/files/ruxovenabeposumeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8709/files/29268569127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7990/1096/files/42945532687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3988/1376/files/fagojiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4536/2581/files/annabac_2_physics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9878/4422/files/sudden_sensorineural_hearing_loss_treatment.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_off00008660.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8660 | 5816 bytes |
SHA-256: 3fe75924d60c8b31e3190f4524d2445a89fc7d09004ebd86feec01e9cad93435 |
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font_01_sfnt_off00009a0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A0E | 10468 bytes |
SHA-256: 53d70e9744f88f33e7ad3277d4d43331586a4edd2daeb22b1cab898ee7eeca41 |
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