MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically the URL https://ttraff.cc/pify?keyword=business+english+handbook+pdf. This indicates a phishing or scam attempt, likely to lead users to a compromised site or download further malware. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=business+english+handbook+pdf
- http://files.am-ttc.ch/uploads/1/3/1/8/131857270/lalolulamisisesezo.pdf
- http://files.qhcc.org/uploads/1/3/1/3/131380440/fe0c4009.pdf
- http://files.concretesliderules.com/uploads/1/3/0/8/130813988/fabomupa-roguxoperesu-tekezot.pdf
- https://cdn.shopify.com/s/files/1/0428/8669/3023/files/72941912499.pdf
- https://cdn.shopify.com/s/files/1/0433/9305/6933/files/82362397251.pdf
- https://cdn.shopify.com/s/files/1/0427/7652/7014/files/62354160522.pdf
- https://cdn.shopify.com/s/files/1/0434/3195/2536/files/bruno_sre_2750_installation_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/ucf_greek_rank.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/74146781569.pdf
- https://cdn.shopify.com/s/files/1/0430/3772/0733/files/16195241892.pdf
- https://cdn.shopify.com/s/files/1/0428/7430/6719/files/29532053133.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0995/files/fantastic_voyage_coolio.pdf
- https://cdn.shopify.com/s/files/1/0437/1972/1115/files/71561021752.pdf
- https://cdn.shopify.com/s/files/1/0434/1815/7221/files/nys_notary_exam_study_guide_2017.pdf
- https://cdn.shopify.com/s/files/1/0431/1285/7754/files/charged_quartz_crystal_gw2.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a54.bin659a3f879044725217d19114a7c419a1ddca36dc9c423c0f577a35e4e1ec86e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A54 | 5460 bytes |
font_01_sfnt_off00005ce5.binaec400f920feb7dc99798f210e483427118625f7c1ece8d6a1210192d78147d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CE5 | 11344 bytes |
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