MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, which is likely intended to lead the user to a phishing or malware download site. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to job interview questions. The presence of numerous external PDF links also suggests a link farm or SEO poisoning attempt to drive traffic to malicious infrastructure.
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=sales+manager+interview+questions+and+answers
- http://files.ethelbustamante.net/uploads/1/3/1/4/131406356/7012749.pdf
- http://jarune.tourdetech.net/uploads/1/3/1/4/131437363/70038.pdf
- http://files.livitbrands.com/uploads/1/3/1/1/131164520/6276573.pdf
- http://fekor.tripblisstravel.com/uploads/1/3/2/6/132681670/8e49bd047.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/seriloborot.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/kilun.pdf
- https://cdn.shopify.com/s/files/1/0430/6970/2306/files/wisezeravabagifisapadis.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/movixuzizi.pdf
- https://cdn.shopify.com/s/files/1/0438/2874/0258/files/saint_seiya_awakening_character_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/8276/7779/files/carplay_android_mercedes_clase_a.pdf
- https://cdn.shopify.com/s/files/1/0440/0722/7542/files/baby_pictures_app.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6522/files/java_7._1_version.pdf
- https://cdn.shopify.com/s/files/1/0434/7104/4770/files/37082305755.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_off00007140.bin02742c8ee25ce437668df4e274d307c7a92c49ae2a03eb3e47a208fcd36a497e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7140 | 5528 bytes |
font_01_sfnt_off000083f0.bin42aa9279d2be2e98c25e4824518576a8d57daab8d6e2aa0d32879bdb7100988a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83F0 | 10028 bytes |
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