MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious URL, disguised as a puzzle book. This is further supported by heuristics indicating a malicious redirector and a link farm. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering through a deceptive link.
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=adda+247+puzzle+book+pdf
- http://files.meridianbodycare.com/uploads/1/3/1/8/131857193/6976761.pdf
- http://files.decrisis.org/uploads/1/3/1/4/131453247/6679a21a.pdf
- http://files.dickeyclan5.com/uploads/1/3/1/3/131379894/sireferofat.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8584587797.pdf
- https://cdn.shopify.com/s/files/1/0438/7789/2264/files/alibaba_business_model_canvas.pdf
- https://cdn.shopify.com/s/files/1/0435/7075/7795/files/sydney_central_station_map.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8184/files/ladulu.pdf
- https://cdn.shopify.com/s/files/1/0432/8289/0912/files/zikovonutajixavexovefaxar.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/jefunemeratafifuf.pdf
- https://cdn.shopify.com/s/files/1/0431/8520/9512/files/wizobuwazesitax.pdf
- https://cdn.shopify.com/s/files/1/0429/4931/2665/files/ahmad_jamal_poinciana.pdf
- https://cdn.shopify.com/s/files/1/0430/5115/5618/files/68007763019.pdf
- https://cdn.shopify.com/s/files/1/0433/3282/9342/files/razekaveluv.pdf
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/42879284474.pdf
- https://cdn.shopify.com/s/files/1/0433/3119/0952/files/what_is._aae_file.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_off000055d2.binc4866976dad29edefac29af749b3208ba0b7f456f075191531972c8160f61d1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55D2 | 5304 bytes |
font_01_sfnt_off0000680c.bin5f25b5511c71c359acdc87af96087010f20de884a7d453773a17853879b195bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680C | 9984 bytes |
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