MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to ttraff.com, known malicious infrastructure. The document body, though heavily obfuscated, contains the same lure text and URLs, indicating a deliberate attempt to deceive users into clicking malicious links under the guise of providing a free PDF. 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.com/pify?keyword=geomorphology+by+savindra+singh+free+pdf
- http://files.masterchefoneill.com/uploads/1/3/0/7/130739971/d3187e3e5.pdf
- http://files.allan69.com/uploads/1/3/1/3/131380158/9394661.pdf
- http://zavopu.pahasapagrotto.org/uploads/1/3/1/6/131636725/50491.pdf
- http://files.jambandpurist.com/uploads/1/3/1/8/131856365/76af5249.pdf
- http://files.exclusivedancerecruitment.com/uploads/1/3/1/4/131412235/7448305.pdf
- https://cdn.shopify.com/s/files/1/0428/6827/7415/files/26930710794.pdf
- https://cdn.shopify.com/s/files/1/0430/0403/5221/files/leromurama.pdf
- https://cdn.shopify.com/s/files/1/0429/6353/3977/files/suvifixaja.pdf
- https://cdn.shopify.com/s/files/1/0431/4356/1376/files/28574590424.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12247178291.pdf
- https://cdn.shopify.com/s/files/1/0429/9590/8761/files/bidaroke.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdf
- https://cdn.shopify.com/s/files/1/0437/2663/5157/files/vapopesukowoxomi.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/56055751419.pdf
- https://cdn.shopify.com/s/files/1/0428/5038/6086/files/6866437295.pdf
- https://cdn.shopify.com/s/files/1/0428/4874/7676/files/19243562702.pdf
- https://cdn.shopify.com/s/files/1/0435/7901/5327/files/71545403928.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_off00005236.bin99b80207ac8e66cbaa1f59c7a5266afcc8ff59b6120fe2f018d1aa7bef62bfc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5236 | 5788 bytes |
font_01_sfnt_off000065c6.bin8bd2f2840d622e6177a37933f4145ab75fde5ab4dc38a08695b245e517169a4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C6 | 10596 bytes |
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