MALICIOUS
202
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 (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains a reference to the same malicious URL, suggesting an attempt to trick users into downloading a payload or visiting a phishing site. The ML classifier also strongly indicated maliciousness.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=birmingham+train+map+pdf In PDF document text
- http://jilubuxe.bayridgerescuesquad.com/uploads/1/3/0/7/130775904/tuzep_pazurux.pdfIn PDF document text
- http://podubed.essentialhealthsantacruz.com/uploads/1/3/0/8/130874038/4353879.pdfIn PDF document text
- http://files.wrrbc.org/uploads/1/3/1/3/131383478/0ad9e3.pdfIn PDF document text
- http://files.susansharpesphotography.com/uploads/1/3/2/8/132814996/jeziwunit-pomesajozofidi-vimufizido-mezupel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/4432/1945/files/common_idiomatic_expressions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/cookie_clicker_save_editor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7747/6260/files/pepukaforoduba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/venizolebaveni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/golozefetanuteku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/65660485884.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7036/5602/files/gamijazitukelokefamovigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rakapadanixip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3096/0549/files/83295521300.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sivuduveserekolagaxabulux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1502/0448/files/naxuzesifulibutosutalo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/minazatemawe.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C5F | 4856 bytes |
SHA-256: 8f0597b94dec96fd6b7e042ed1f66a83cac7a9e5cbb75ac72cc898bc75d97e29 |
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font_01_sfnt_off00005ca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA1 | 10016 bytes |
SHA-256: 73634c942dfedec076a0c6ff11bc792a4c58a9d04e5bfad01777de9152151b77 |
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font_02_sfnt_off00007ed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED4 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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