MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links, many of which point to a redirector service (ttraff.ru) that is known to host malicious content. The document body itself contains the malicious URL, suggesting a phishing or scam attempt disguised as a VPN download. The ML classifier also strongly indicated maliciousness.
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=browser+apk+vpn In PDF document text
- http://files.enviroaesthetic.com/uploads/1/3/2/6/132682745/kinogozajuvija_raxubeni_nunakijaku_jogexesuzawon.pdfIn PDF document text
- http://files.klikdesigns.com/uploads/1/3/1/4/131409305/xibujubinivibisa.pdfIn PDF document text
- http://files.americanfoursquare.us/uploads/1/3/2/7/132740218/majibomavapakabopi.pdfIn PDF document text
- http://files.detailersdirect.co.uk/uploads/1/3/2/8/132815785/dinaxotegosokelumabu.pdfIn PDF document text
- http://files.robertrichoux.com/uploads/1/3/0/9/130969825/jivufogekeduzalev.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/1/0433/7631/2471/files/64161118917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/vowidawatuwigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/gigovikebipebuxoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3918/6344/files/amplificateur_operationnel_en_regime_lineaire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/4412/3303/files/exploding_kitten_cards.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9684/2142/files/runisorematizovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8991/0167/files/alesis_sr-_16_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9138/5758/files/dagirovene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7369/1045/files/lexus_is300_manual_transmission.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3676/9447/files/elves_bowling_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1641/3607/files/25560942407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/ritobokuraxifexumenajubej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8462/7624/files/dowemomovewipofabun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/bending_machine_download.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000081eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81EB | 5044 bytes |
SHA-256: 96baba92b9f83faa7fe3b164e29af204896fd6481fd330bb53063a337ac50f33 |
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font_01_sfnt_off00009339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9339 | 6740 bytes |
SHA-256: d4090e7d68e414416d4d55397ea5349ce23ae8e7553dd139544b8c8eecc01a2c |
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font_02_sfnt_off0000a9d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9D3 | 10916 bytes |
SHA-256: 88617609f02e2f5f71067da53b81e67021d87c501a6296841c78b3820fdc4eb0 |
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font_03_sfnt_off0000cf59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF59 | 16036 bytes |
SHA-256: 149cab45689013e99d1aa520d2e5234663aa5d8577b6aae5e423b5d60aeda4c1 |
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