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.cc) which is flagged as malicious. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'online bmp image to pdf converter' and includes the malicious redirector URL. The presence of a 'download button' heuristic further supports the phishing lure. The ML classifier strongly indicates 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.cc/pify?keyword=online+bmp+image+to+pdf+converter In PDF document text
- http://nagefa.andreasalem.com/uploads/1/3/1/0/131070450/470822913.pdfIn PDF document text
- http://files.muralfx.com/uploads/1/3/1/4/131437891/kupopotetewamug-pugekig.pdfIn PDF document text
- http://files.learningmn.org/uploads/1/3/0/7/130738875/milegubin_risuxadatope_dixutitu_mifezibetako.pdfIn PDF document text
- http://risezor.bundleitsg.com/uploads/1/3/1/8/131856333/1874521.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/1/0431/7839/3762/files/best_f2p_money_making_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1584/5541/files/wazolefuwejegoguzefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0841/6165/files/tuwadam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5537/2695/files/88239760988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7464/4120/files/barron_s_gre_3500_word_list_free_download_12th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/55722934249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/43986648409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7961/files/hotel_california_lyrics_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/xepewuzakitiwuxuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9879/1329/files/venuzenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9767/6192/files/10533713331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1425/0919/files/gosigipigakaramazeneri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/92947532887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2801/files/49729328304.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_off0000679b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x679B | 5524 bytes |
SHA-256: 2b05ee866f7425df644df514c199bc51f4bba34ba0e87d612a69f2220a261202 |
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font_01_sfnt_off00007a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A4A | 10720 bytes |
SHA-256: de1899fd3c1ecefcf1bf367970c7a4541f75153d69025ba23cef39a21b526909 |
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