MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, a common technique for SEO poisoning or distributing malicious content. One of these links, https://ttraff.cc/pify?keyword=rubber+sheet+singapore, is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the link farm and redirector are sufficient indicators of malicious intent.
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=rubber+sheet+singapore
- http://files.mediaartsperformance.com/uploads/1/3/1/4/131406140/kidodoselaburobegi.pdf
- http://files.jerseybluedar.org/uploads/1/3/1/0/131070165/zujukenajudodul-kezazibelafalo-guxawegu.pdf
- http://zapefemal.aide4paws.com/uploads/1/3/0/9/130969627/supivol.pdf
- http://bitofoge.estudiosdelaescritura.org/uploads/1/3/1/6/131606060/sibobinatufogadi.pdf
- https://cdn.shopify.com/s/files/1/0435/1767/3636/files/simaronikuxavinirodigod.pdf
- https://cdn.shopify.com/s/files/1/0433/6546/6270/files/saly_salon_game.pdf
- https://cdn.shopify.com/s/files/1/0434/4968/0028/files/29315339004.pdf
- https://cdn.shopify.com/s/files/1/0435/5679/8627/files/41416304024.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nofalefupipalivudekim.pdf
- https://cdn.shopify.com/s/files/1/0437/5429/1361/files/85842036114.pdf
- https://cdn.shopify.com/s/files/1/0431/0319/1193/files/30062416141.pdf
- https://cdn.shopify.com/s/files/1/0434/1907/4722/files/encyclopedia_brown_boy_detective_download.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/84709589978.pdf
- https://cdn.shopify.com/s/files/1/0449/6372/5480/files/50441166195.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_off00005b8c.bin121fb610b2ac96ddb12d418914453adce9c8a36b2118fa46206b1c626913c5b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8C | 5196 bytes |
font_01_sfnt_off00006d2f.bina89bd734c29870e2eba7f3770fb6839266d7890edb35b2939b928ea653997094 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D2F | 15248 bytes |
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