MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.cc) which is flagged as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of an SEO link farm strategy, likely to disguise malicious intent. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=trial+balance+sheet+meaning+in+gujarati In PDF document text
- http://files.jimmydebutts.com/uploads/1/3/2/6/132681771/5011483.pdfIn PDF document text
- http://files.artwithsas.com/uploads/1/3/1/3/131398347/6418816.pdfIn PDF document text
- http://files.broadwaydanceeh.com/uploads/1/3/1/6/131636655/pozefupemamodebu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/kapewawere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1175/1579/files/mexabulipudufexiwoluvib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7661/6341/files/fabitogagumegana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/mabebowive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9282/6517/files/58990411594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1283/8808/files/85292730141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6623/6826/files/70789622270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5538/0630/files/merge_sort_algorithm_complexity_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/29776528949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7929/5383/files/retorolevedijine.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57AD | 5380 bytes |
SHA-256: 9ac834768a91352911ea5b31bef17be6c4d4f651458fe36010aff60fa0e15418 |
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font_01_sfnt_off000069c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C1 | 5316 bytes |
SHA-256: 2535dc2a20a14ec24371d6210f562af3db6543e8b5eda864fc34315cd59d3f37 |
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font_02_sfnt_off00007a97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A97 | 9876 bytes |
SHA-256: 7a0f664baf8b460e9002e37adcd9b50afd7225a83c9982d9573fc78aa14c34c0 |
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font_03_sfnt_off00009c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C99 | 16604 bytes |
SHA-256: 0b3f503ff8ff00c06eb2646a6d0933b92a04c3dd926e9b4224cf1eeff926f012 |
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font_04_sfnt_off0000b3b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B4 | 2608 bytes |
SHA-256: c4869f4910101e9de114603d80c87e7465cc14a3edf423f39a6ef78b10429b6f |
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