MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body and heuristics suggest a lure to click a download button, leading to the malicious URL. The file is likely a downloader or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=ldc+answer+key+2020+pdf+16+sep In PDF document text
- http://files.voices-in-time.net/uploads/1/3/1/0/131070845/logizirivopar-nikumifusutuf-pijosel-kulusejirop.pdfIn PDF document text
- http://files.witneyhypnotherapy.co.uk/uploads/1/3/1/4/131408415/toputonijusok.pdfIn PDF document text
- http://files.milanibowhunting.com/uploads/1/3/2/6/132681865/fetijelajuzuzo.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/1/0435/5624/1557/files/21813163706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0160/5278/files/ibm_hr_interview_questions_and_answers_for_freshers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0937/5383/files/46104090646.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2659/3445/files/81644501382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/vufolufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/62685058341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6150/2362/files/xizonos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0772/0094/files/71499812342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/85059526729.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9755/4084/files/suvatatunem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3191/9765/files/vuvawaja.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000797f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x797F | 5796 bytes |
SHA-256: 75848bcd9c11f19040da7b10409ed801e2ba0413a52831910fc5dc15ad832cd5 |
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font_01_sfnt_off00008d6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D6F | 10472 bytes |
SHA-256: 51fff5b869bca8a9f7f1871e9ac670a44e4133c1f68882631871aa042a21a427 |
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font_02_sfnt_off0000b137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB137 | 16072 bytes |
SHA-256: d8c19fdfeecd64e832dd8c9352b1260cc303b71c54455e55e6a3d621321cf58b |
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