MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. This URL is presented within the document body, disguised as a link to a PDF file. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm designed to attract traffic. The ML classifier also 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.cc/pify?keyword=car+vocabulary+english+pdf
- http://files.awha.org/uploads/1/3/1/4/131453255/lakubasaguja-luzoxewaridibul.pdf
- http://files.fallsevengetupeight.com/uploads/1/3/2/7/132740711/8011113.pdf
- http://files.hillcresthuntingclubincllc.com/uploads/1/3/1/4/131453917/tavigowuzij-zuzanovitan.pdf
- http://files.carriedrobnick.com/uploads/1/3/1/3/131379553/2436674.pdf
- http://pekozugi.aliceinfinitycosplay.com/uploads/1/3/1/8/131871980/10139a6.pdf
- https://cdn.shopify.com/s/files/1/0437/8555/2030/files/how_to_play_arpeggios_on_guitar.pdf
- https://cdn.shopify.com/s/files/1/0430/7550/2234/files/rizabikivizoxawidutaki.pdf
- https://cdn.shopify.com/s/files/1/0428/7981/1750/files/80115059948.pdf
- https://cdn.shopify.com/s/files/1/0434/7746/7288/files/reading_ielts.pdf
- https://cdn.shopify.com/s/files/1/0433/3898/9718/files/66860451983.pdf
- https://cdn.shopify.com/s/files/1/0432/7630/4544/files/mujatasomiwoxetafatezet.pdf
- https://cdn.shopify.com/s/files/1/0436/6372/0613/files/minecraft_tekkit_launcher.pdf
- https://cdn.shopify.com/s/files/1/0433/9240/1573/files/display_adapter_free.pdf
- https://cdn.shopify.com/s/files/1/0437/1464/2069/files/43316457191.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_off00006788.binc9b9674a5cdb7bc7ca8d8b16fd33317d38b455da794c681a6a4885f97205ced7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6788 | 5624 bytes |
font_01_sfnt_off00007aa8.binecde3bfc38da2fc45634cd238ba82393615da9856b8760fc0f6267e3358a8247 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA8 | 10120 bytes |
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