MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a phishing or malware-hosting site.
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.ru/pify?keyword=super+metroid+sprites
- http://files.billanderton.uk/uploads/1/3/2/8/132816096/5279468.pdf
- http://files.smithequipmentllc.com/uploads/1/3/0/7/130740249/2769435.pdf
- http://files.rachelsword.com/uploads/1/3/1/1/131164456/bf16aa60291.pdf
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/83894232505.pdf
- https://cdn.shopify.com/s/files/1/0428/8951/1071/files/75681019526.pdf
- https://cdn.shopify.com/s/files/1/0431/9723/5363/files/dibajijurexuloxan.pdf
- https://cdn.shopify.com/s/files/1/0440/6044/2774/files/malajabinifis.pdf
- https://cdn.shopify.com/s/files/1/0435/1367/5928/files/12519663378.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/18173013788.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamefidijuj.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/cat_416_backhoe_parts_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3464/files/84994747190.pdf
- https://cdn.shopify.com/s/files/1/0436/0349/3022/files/34232145923.pdf
- https://cdn.shopify.com/s/files/1/0435/7593/5135/files/vojiraro.pdf
- https://cdn.shopify.com/s/files/1/0429/2273/7830/files/borugogesikesopisugeta.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_off000089d1.bin01da1c0bf7fbc0263c469e52a003d40d301345d0ab3a88a6aba64d4657419ed3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D1 | 4964 bytes |
font_01_sfnt_off00009a9c.bin71f74c6be8374bf6e6b85caa42c743227edae397c2617c914e3179b68e0a7ccc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A9C | 10592 bytes |
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