MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a tactic to distribute malicious content or phish users. The primary malicious URL identified is https://ttraff.cc/pify?keyword=farsi+letters+pdf, which likely serves as a gateway to further malicious destinations. No scripts were extracted from this sample.
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=farsi+letters+pdf In PDF document text
- http://files.joaomiguelbranquinho.com/uploads/1/3/1/4/131452963/47925.pdfIn PDF document text
- http://files.anythingpaperkim.com/uploads/1/3/1/6/131637125/xabuvufukapigazalev.pdfIn PDF document text
- http://files.npnbuyer.net/uploads/1/3/1/6/131637919/zodexufofewu_jenur.pdfIn PDF document text
- http://files.meghannrader.com/uploads/1/3/1/4/131437859/419e5ae4c6b43f.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/1/0429/0114/3715/files/lekorugadojosewumonolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1079/1323/files/saninobolobowakokaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1980/4567/files/12249774336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4837/8280/files/97869337165.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8360/files/vobupovivodetepida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6900/files/xitaveregireludokarufufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9748/7512/files/70359337162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6169/8969/files/radenumezeleleramu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/72336706643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/porodokewolixejalezoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3303/3880/files/rusirebimafenoge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000f9ea.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xF9EA | 39792 bytes |
SHA-256: d3b2cff80ae648c5d1a2473a48e7f7d4438479ff5063064d5810e072b51fcbe3 |
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font_00_sfnt_off0000a162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA162 | 4988 bytes |
SHA-256: 8f566ce1f2de429e60eecd020c6e406a5b6a119a7715e3fd46b0d080c5d9ffea |
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font_01_sfnt_off0000b22b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22B | 6792 bytes |
SHA-256: 0efe26d3edee0ec6bd598ecd78ec680c029cdaf30796094f9bd47d6cda2e03e5 |
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font_02_sfnt_off0000c24c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC24C | 19296 bytes |
SHA-256: a52bae0a21437e88ecd2f4f4f4e892e3b951da5864e37bd488e4fad9ea76ac74 |
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