MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
T1204.002 Malicious Link: Malicious File
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.ru/pify?keyword=impossible+quiz+2+answers+26'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to trick users into clicking on malicious links. The presence of numerous Shopify-hosted PDF files, while many are benign, suggests a link farm or SEO poisoning technique to improve the ranking of the malicious redirector. 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=impossible+quiz+2+answers+26 In PDF document text
- http://files.kaufmanautogroup.com/uploads/1/3/0/7/130775639/foxakipa.pdfIn PDF document text
- http://files.carriedolan.com/uploads/1/3/0/7/130776864/9017134.pdfIn PDF document text
- http://files.dovesembrace.com/uploads/1/3/2/7/132740463/226b2fe89.pdfIn PDF document text
- http://files.bandofgypsiesranch.com/uploads/1/3/2/3/132303170/8787153.pdfIn PDF document text
- http://losaxuga.salsaon2school.com/uploads/1/3/0/7/130738721/wimapetutedijaxixaj.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/1/0432/9940/5979/files/24915576453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4353/6552/files/golipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7817/3343/files/tinogofudokemawikos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8368/5270/files/20156692245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2462/1473/files/wimekatowibazodenavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/rikivejezibizuladu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6570/4602/files/latupupadovorifazunuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/3367783399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/online_flashcard_maker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/11144572984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8700/2790/files/49977565847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4066/7810/files/11064860071.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_off00006a5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A5A | 5596 bytes |
SHA-256: 8864ad12d5c947fe4d305cb914c4568db9e5c8fd4f267057275e0fc14adce44f |
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font_01_sfnt_off00007d5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D5C | 10864 bytes |
SHA-256: e3f0f622e3ff9002e0855589a7ae773cb92779678394d8f7ba66a9b67728131e |
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