MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to obscure the final destination of the malicious payload. The presence of a 'download button' heuristic and numerous embedded links suggests a social engineering attempt to trick the user into downloading further malware. The document body is heavily obfuscated and does not provide clear textual lures.
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=abbyy+gz+to+pdf In PDF document text
- http://files.royaloakschoolsfoundation.org/uploads/1/3/1/4/131454270/bijefasoba.pdfIn PDF document text
- http://files.westernkyelite.com/uploads/1/3/0/8/130873921/79599ae5a.pdfIn PDF document text
- http://files.saiddeek.com/uploads/1/3/1/4/131438459/ef62a09fdef61.pdfIn PDF document text
- http://files.mysecondhandrose.com/uploads/1/3/1/4/131437535/935886e414b3.pdfIn PDF document text
- http://www.opentle.orgIn 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/1/0428/4389/8019/files/xepatolej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5538/0630/files/5723346205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6757/files/dasasotirepenefefavamuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5235/1144/files/tepuxugexed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7833/4117/files/54990772598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5041/7827/files/22636937640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7396/1110/files/zodeputuvawobol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/40526734820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7747/4206/files/zazepesuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/waruvup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/doxajowewuwamigutak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4302/8120/files/39602484099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5049/9222/files/wopawutizigaverobepibux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8491/3563/files/jijonojepe.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://www.gnu.org/licenses/gpl.htmlIn 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 |
|---|---|---|---|
stream_006_off000083f6.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x83F6 | 9040 bytes |
SHA-256: 8805024f202eaed841a0899b21cf17ac3592f2d03622f108fa3be5704ea71739 |
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font_00_sfnt_off000074a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74A6 | 4492 bytes |
SHA-256: b819ecb93448bcb8a2e236f6779b10674e45ccce7ca2dcad672552dbb665bd94 |
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font_02_sfnt_off00009cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CFB | 10284 bytes |
SHA-256: 4237f94e14aad951f048ae3b4bac7c18899bb4dc3dbade11edcc90780cad9ff4 |
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