MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=have+got+questions+and+short+answers+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'questions and short answers PDF'. The presence of numerous external PDF links, including one hosted on Shopify, indicates a link farm strategy. The heuristic 'SE_CALLBACK_LURE' further supports a phishing or scam context, likely aiming to direct users to malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=have+got+questions+and+short+answers+pdf In PDF document text
- http://files.designerstickers.net/uploads/1/3/1/4/131453024/4b3369851b704b.pdfIn PDF document text
- http://files.northwoodsyogaandwellness.com/uploads/1/3/0/7/130740138/905cde375635e55.pdfIn PDF document text
- http://files.bensvintagevillage.com/uploads/1/3/0/9/130968994/memazeminage.pdfIn PDF document text
- http://files.saoceanpaddlers.com.au/uploads/1/3/2/6/132681479/moboxuke.pdfIn PDF document text
- http://files.aldaqah.com/uploads/1/3/1/6/131636789/garoga-minupopovu-lilurejemi-lezoz.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/1/0428/9835/8432/files/nuruge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4578/1665/files/julubado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/zozojuzen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7987/4213/files/pazoluzikuxemux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2915/7272/files/xovikipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/64147817974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7196/3296/files/pavuvax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/25715512372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/jakipitawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0200/3619/files/pajusitoxidalalozuniz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2440/6935/files/wezeveluvatosekatunubedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7403/5607/files/79495709429.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_off0000be08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE08 | 5392 bytes |
SHA-256: 6d20d5f983e1e44560d28e4b2bf143025a1b3b7c2f81fa3dcca82c82064f8354 |
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font_01_sfnt_off0000d05e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD05E | 16344 bytes |
SHA-256: 04cc75a71cd5a5c124354e31500aa5506c51163ad49d44f7650d3fb9126d5af8 |
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