MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The PDF also contains a link farm heuristic, suggesting an attempt to manipulate search engine results. The presence of a 'download button' lure further supports a phishing or malicious download attempt. The primary malicious IOC is the redirector URL.
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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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=sap+businessobjects+business+intelligence+suite+pdf In PDF document text
- http://files.monitorseis.net/uploads/1/3/1/4/131406437/sesanet-kulodujubiw-kirabev-pokameb.pdfIn PDF document text
- http://files.bristleridgellewellins.com/uploads/1/3/1/4/131407315/geguwos.pdfIn PDF document text
- http://files.colliquecuffs.net/uploads/1/3/1/4/131483138/9278445.pdfIn PDF document text
- http://mujemoseg.tomhelp.us/uploads/1/3/1/4/131407440/3594047.pdfIn PDF document text
- http://mitifatel.pamelaharrisonpoet.com/uploads/1/3/1/0/131071164/8317983.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/1/0430/7487/9641/files/bilimut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8037/5702/files/35934516637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1440/5793/files/95187812450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9243/4326/files/21847746700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9675/1774/files/verodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3122/2677/files/geforce_installation_failed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/31728869952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2356/3925/files/wabikovawanuromojax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3432/8735/files/epme_e4_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5567/6580/files/new_functional_training_for_sports_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6023/8238/files/2819896830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/23519629287.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_off00006804.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6804 | 5548 bytes |
SHA-256: ba8c864be6d9377a08d4638607f34402f34e94b174b0d669c1740debf1728a6c |
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font_01_sfnt_off00007af6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF6 | 10760 bytes |
SHA-256: f78e0295edfd466142e933412ec8de0f832045e9d976795df24668f5f77ff81d |
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