MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.link/pify?keyword=klaerwerk+tanoa+life'. Another heuristic indicated a PDF link farm, with many links pointing to Shopify-hosted PDFs. The document body is heavily obfuscated, but the presence of these links strongly suggests a phishing or malware distribution attempt.
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.link/pify?keyword=klaerwerk+tanoa+life
- http://files.ennistymonarttrail.com/uploads/1/3/1/6/131606408/92c7137f.pdf
- http://files.lclutheran.org/uploads/1/3/2/7/132740291/suvudu.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/33929643746.pdf
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/lajigutesufatid.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/9682461124.pdf
- https://cdn.shopify.com/s/files/1/0434/9421/1750/files/deaf_driver_communication_visor_card.pdf
- https://cdn.shopify.com/s/files/1/0440/7204/2661/files/pagol.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/28046827229.pdf
- https://cdn.shopify.com/s/files/1/0430/8969/0773/files/tesoxi.pdf
- https://cdn.shopify.com/s/files/1/0432/5795/4467/files/tuximabipi.pdf
- https://cdn.shopify.com/s/files/1/0437/4416/6037/files/aviation_english_macmillan.pdf
- https://cdn.shopify.com/s/files/1/0448/4002/6273/files/add_crop_marks_to_online.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_off00003fb9.binc708c0d60db37f6d9460bd4d421d86c4256fd0fbf8c37cc02052832d92c4b401 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3FB9 | 4708 bytes |
font_01_sfnt_off00004fe0.bined4aced1c84cf4c2478e67e7712131bbb91852e55e7f6f3749161012e1725ae5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FE0 | 9784 bytes |
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