MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to redirector infrastructure. The primary malicious link identified, https://ttraff.ru/pify?keyword=instrumentation+engineer+interview+questions+and+answers, is flagged as a known malicious redirector. This suggests the document's purpose is to drive traffic to malicious sites, likely for phishing or malware distribution.
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=instrumentation+engineer+interview+questions+and+answers
- http://files.njsaferatios.com/uploads/1/3/1/8/131856435/jovupufotonidowun.pdf
- http://files.portaldrivertraining.com/uploads/1/3/2/6/132695568/9326625.pdf
- http://files.ppgaacaernarfon.org/uploads/1/3/0/7/130775413/gonavaxiw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2651/4077/files/zutexaxuzezasomo.pdf
- https://cdn.shopify.com/s/files/1/0430/4535/5682/files/zapapiwuvuvurusinis.pdf
- https://cdn.shopify.com/s/files/1/0438/7792/5019/files/sitenido.pdf
- https://cdn.shopify.com/s/files/1/0431/0577/9863/files/kanotanedanajamibaput.pdf
- https://cdn.shopify.com/s/files/1/0431/3756/4823/files/xozewonodorukisutarolefut.pdf
- https://cdn.shopify.com/s/files/1/0434/6337/7048/files/41617638611.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16779745642.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0431/0161/8327/files/maxuzojimike.pdf
- https://cdn.shopify.com/s/files/1/0427/3097/9495/files/jujefanosafuji.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/difuxek.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/52929841292.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/50558217757.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_off00008bfc.bin9fa9ecdcfc78c6d454d77d0658670ca800e93f1bad6403d98a135be7a1aadb0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BFC | 5212 bytes |
font_01_sfnt_off00009d9b.binafb739d7672a12b2814e5fc18f33106ce9bfe371030fdca2442a286c68dfa018 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D9B | 10228 bytes |
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