MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document is flagged as malicious by an ML classifier and contains links to known malicious redirector infrastructure. It presents a lure of a 'career counselling questionnaire' but embeds numerous links, many pointing to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.
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=career+counselling+questionnaire+pdf
- http://files.modernhomebuyers.us/uploads/1/3/0/7/130738755/vaginixuwew_zefisop_wunim_bifekiforeju.pdf
- http://tuvak.onondagacommunitychurch.org/uploads/1/3/0/8/130814328/bedujowizawepi.pdf
- http://files.gbccollege.org/uploads/1/3/1/6/131637714/wirupivimivar_jabaxasosokabup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/0496/6565/files/telling_time_analog_clock.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/befaladosomesojajuxokef.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0679/files/20050729048.pdf
- https://cdn.shopify.com/s/files/1/0431/8891/2290/files/vemagavelaxiboju.pdf
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/jukekebopejuwatogizej.pdf
- https://cdn.shopify.com/s/files/1/0434/5298/9605/files/28369723146.pdf
- https://cdn.shopify.com/s/files/1/0434/1471/6572/files/cambridge_english_empower_b2_workbook.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/29763024547.pdf
- https://cdn.shopify.com/s/files/1/0435/6322/1155/files/xajunufojugikakapululijik.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_off00005d52.bin70f8a01b172d4dc27ae3520ba5c6fd72aea4125735738ae294545f219acdb4cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D52 | 5352 bytes |
font_01_sfnt_off00006f85.bind5c5787efa85e54246541e54381a8650522758f20c32f0cb1f0463278c487214 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F85 | 10104 bytes |
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