MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains text suggesting a file conversion lure ('Psd file to pdf'). The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to malicious sites.
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=psd+file+to+pdf
- http://files.mikethecarguy.net/uploads/1/3/2/6/132681233/tasotazolupo.pdf
- http://files.atheistsurvival.com/uploads/1/3/0/7/130739776/nefurex-zefafobakexezi-wadokut-pofadubifu.pdf
- http://fegekubeg.sdkuykendall.com/uploads/1/3/1/4/131438539/634ac0a7cce5.pdf
- http://files.eliteedgesss.ca/uploads/1/3/1/3/131382470/puzibujemibaz.pdf
- http://files.tampabayfm.net/uploads/1/3/1/4/131453350/duveb-dijir-lifajajomi-tumolisoxuwifa.pdf
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/kinuxetofexow.pdf
- https://cdn.shopify.com/s/files/1/0432/7286/3904/files/gapujijajeneruteb.pdf
- https://cdn.shopify.com/s/files/1/0432/7391/2488/files/fatovavexusonepeku.pdf
- https://cdn.shopify.com/s/files/1/0429/2640/7843/files/2162196227.pdf
- https://cdn.shopify.com/s/files/1/0431/9281/1681/files/list_size_python.pdf
- https://cdn.shopify.com/s/files/1/0433/5868/3291/files/82487931656.pdf
- https://cdn.shopify.com/s/files/1/0428/3059/4204/files/nogovemixilefalenegojega.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/warhammer_40k_ork_codex_vk.pdf
- https://cdn.shopify.com/s/files/1/0439/7232/9630/files/pytorch_initialize_weights.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/73323300459.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/deved.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_off0000650c.binf65b519419945a61d811488060a277516ab07626a2816a26a588cd3c745d8930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650C | 4728 bytes |
font_01_sfnt_off0000753d.bin5799e8c4c3775b02311227eb76b16a32eee5aeb51269f14d19f1241f1269e647 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753D | 10364 bytes |
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