MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm infrastructure. The primary malicious redirector URL is https://ttraff.cc/pify?keyword=chacha+chaudhary+pdf, which is likely used to obscure the final destination of the malicious payload. The ML classifier strongly indicated maliciousness, and the presence of a link farm is a common tactic for distributing malware.
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=chacha+chaudhary+pdf In PDF document text
- http://files.wfshootout.com/uploads/1/3/1/3/131383823/majajojamobu-ligunazijefa-marapotu.pdfIn PDF document text
- http://files.stakeranimalcremations.com/uploads/1/3/1/4/131437064/piforofegore.pdfIn PDF document text
- http://files.projectyouthaffirm.org/uploads/1/3/2/8/132814166/gadumotev.pdfIn PDF document text
- http://files.mirrorsofgodslove.org/uploads/1/3/1/4/131483138/jokaz-diwuve.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/1/0432/8508/6364/files/wavabidodoxolirazuraxudiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/94840098629.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/pojasumobafekatunugas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6889/0015/files/72670272892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0692/5720/files/barcelona_metro_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1311/8872/files/environmental_science_merit_badge_workbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1298/7802/files/27811453390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8615/1833/files/37285010143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5122/7038/files/22550722428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9245/8152/files/75649730490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1045/7753/files/43320533188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/59735356608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2131/0880/files/28810769205.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8265 | 5040 bytes |
SHA-256: 703096bf1e9ad8ef4e721ed64e5001509515421737362bfb702167f719856c20 |
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font_01_sfnt_off00009388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9388 | 11728 bytes |
SHA-256: de85ce6de93c01e41f7b80837dd0b59c3661e05791f1e28dfa41570c08f70d53 |
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font_02_sfnt_off0000b799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB799 | 10120 bytes |
SHA-256: 38f9c5afc0389437b869c48fee6e3dcb0ec2dc2737449ad12b82c4e92f101393 |
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