MALICIOUS
202
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 identifying a link to a known malicious redirector. The document body, though partially corrupted, contains text related to 'Camscanner latest apk free' and a URL pointing to a redirector. This suggests a phishing or social engineering attack aiming to trick the user into visiting malicious sites under the guise of providing a software download.
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.ru/pify?keyword=camscanner+latest+apk+free In PDF document text
- http://files.pastorbillyshaw.com/uploads/1/3/0/7/130739197/tipuretetekofin-nigemufirikigi-witewugegekadow.pdfIn PDF document text
- http://lafun.edwardtesol.com/uploads/1/3/1/4/131482975/ritexifotem_jinupowev.pdfIn PDF document text
- http://files.immlawcounsel.com/uploads/1/3/1/0/131069859/japixabuzivoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/8212/0358/files/26304396427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/4133/0076/files/62874421106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8148/9818/files/56697859391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/38299717613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3729/3718/files/pedefaduvov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/dead_space_weapons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1007/1448/files/capitalismo_monopolista_y_servicio_social.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9427/0371/files/anthem_bcbs_prior_authorization_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8672/5795/files/nasoxaxaxadulim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/sebewijitumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5843/8039/files/toruruvopawutubuj.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000052e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52E5 | 4628 bytes |
SHA-256: 911c5d2851c9849a5730467068440b37a24231e97158e1cc556379630872bdbd |
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font_01_sfnt_off0000632e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x632E | 4876 bytes |
SHA-256: 8e696d56ee1dd23fb774999e22a6f016c89f1cd25cbaf3ed98fe67e89ff53b1e |
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font_02_sfnt_off000073a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73A3 | 10752 bytes |
SHA-256: 7fafd30388d094b1853576439649a3150131870614bc79c3dbfacec562f1e186 |
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font_03_sfnt_off0000976f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x976F | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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