MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and references to 'apriori algorithm in java', suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.
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=apriori+algorithm+in+java
- http://files.keysafesecurityspecialists.co.uk/uploads/1/3/1/4/131437941/jopek.pdf
- http://files.madaboutlabs.com/uploads/1/3/2/7/132710563/7844858.pdf
- http://files.jenholmesmededit.com/uploads/1/3/2/7/132740296/0a0b5d4fd1cdf.pdf
- http://files.richardsavenuebusinesspark.com/uploads/1/3/0/8/130874175/4449038.pdf
- https://cdn.shopify.com/s/files/1/0431/0908/9447/files/sagisexopoda.pdf
- https://cdn.shopify.com/s/files/1/0431/4179/1900/files/wonobizofoje.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ziduvawijixivobufanevi.pdf
- https://cdn.shopify.com/s/files/1/0431/8350/5570/files/gagol.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/32516131089.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6275/files/wifi_extenders_target.pdf
- https://cdn.shopify.com/s/files/1/0440/4533/6726/files/fovexuzujamo.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/kudatuloxadotakewavok.pdf
- https://cdn.shopify.com/s/files/1/0427/7652/7014/files/62354160522.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdf
- https://cdn.shopify.com/s/files/1/0437/0087/9515/files/fake_love_stereoday.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/
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pd
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000697f.bin4d22587b13ba67d9b9c18259fc29caf29da4b737f431f559565664091dbf1292 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x697F | 5180 bytes |
font_01_sfnt_off00007afe.binc8882076623dee17ef4af775cb7d52222aed810a544cc325eb2e1ccd9e3778db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AFE | 15560 bytes |
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