MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, contains text related to 'interview writing format' and a URL that matches the redirector. The presence of a large number of external links, many pointing to Shopify, suggests a link farm designed to obscure malicious activity.
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=interview+writing+format+ssc
- http://files.longsilverconstruction.com/uploads/1/3/1/3/131381799/2627383.pdf
- http://files.ninemillionbicycles.com/uploads/1/3/1/6/131637021/lotoverepitapeduz.pdf
- http://files.ornamentalhenna.com/uploads/1/3/0/8/130815009/lisijiwofagusezuz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5754/5365/files/65493403200.pdf
- https://cdn.shopify.com/s/files/1/0429/4456/1319/files/bbc_iplayer_ipad_outside_uk.pdf
- https://cdn.shopify.com/s/files/1/0436/1981/1490/files/kunenakidesajabajor.pdf
- https://cdn.shopify.com/s/files/1/0432/7564/9180/files/emulator_android_untuk_linux_mint.pdf
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/zenapodelalufufovoxebifa.pdf
- https://cdn.shopify.com/s/files/1/0429/5743/9129/files/discord_rules_suggestions.pdf
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/xizegeluvururoturaf.pdf
- https://cdn.shopify.com/s/files/1/0437/6425/2823/files/ever_after_high_soundtrack.pdf
- https://cdn.shopify.com/s/files/1/0437/2758/5430/files/foxarenizod.pdf
- https://cdn.shopify.com/s/files/1/0429/3197/8403/files/old_navy_coupons_printable_2015.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93515438816.pdf
- https://cdn.shopify.com/s/files/1/0431/8494/7357/files/96346384979.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000615a.bind75c91d19866d46a542f0d1f08179cfed4b7ee218d5825f82f66883cd2040fad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615A | 5256 bytes |
font_01_sfnt_off00007335.bin64469a63d86b961c1b3505fb499a2628e1d4db87cdbdc433ac874f363e560a83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7335 | 9932 bytes |
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