MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is presented as a resource for 'acing the interview'. This heuristic firing, combined with the presence of numerous other links to PDF files hosted on Shopify, suggests a link farm or phishing lure. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=acing+the+interview+pdf In PDF document text
- http://files.jacksonandthepoolsharks.com/uploads/1/3/1/4/131483019/ruwoseneluvip.pdfIn PDF document text
- http://files.bleakhilllincolnlongwools.com/uploads/1/3/1/4/131407918/mojulowifikuviv.pdfIn PDF document text
- http://files.nerdinout.com/uploads/1/3/0/8/130814717/wowokukewugijife.pdfIn PDF document text
- http://files.cuisinierssansfrontieres.org/uploads/1/3/0/7/130739415/jutemal.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/toxamajafuwidawim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4843/4840/files/spectra_s1_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/74329447450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7618/1398/files/dewojewojejoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/lemomalalagedumisiribasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/wutinapagapofewed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5738/1530/files/92328833405.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1769/1559/files/dubop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8967/3883/files/kodukomasifawevasanet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/tajon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8694/5187/files/nerapowazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9674/4871/files/4847123080.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1442/9608/files/jogunusibezupoxoki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6566/1845/files/23263515181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8866/7039/files/31134537858.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7032 | 5136 bytes |
SHA-256: 2a1c230f2810c9273dc3256d06c96df7756d718067af1f6fac5b9df01dbcd570 |
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font_01_sfnt_off000081c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81C4 | 10872 bytes |
SHA-256: f282314a3c8c140658afcb34c7b09c53c3aef3106ff4ece0708983d616072236 |
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