MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, disguised as a download for a programming book. The document body also contains the same URL, reinforcing the lure. The presence of a visual download button heuristic further supports the social engineering aspect of this attack. The file is identified as a PDF, and the primary malicious indicator is the redirector link.
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.com/pify?keyword=learn+python+3+the+hard+way+4th+edition+pdf+download In PDF document text
- http://files.dinhhoaitram.com/uploads/1/3/0/7/130739263/bd1e59e5122caf9.pdfIn PDF document text
- http://files.aliceannephotography.com/uploads/1/3/1/3/131379447/xisejexopore.pdfIn PDF document text
- http://gexuk.thefireworkshack.com/uploads/1/3/1/0/131070711/8231015.pdfIn PDF document text
- http://files.hardcorefishing.us/uploads/1/3/1/4/131438869/4356027.pdfIn PDF document text
- http://woxus.drjolieweingeroff.com/uploads/1/3/2/8/132814930/4bd475ff31.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/1/0428/1729/0407/files/lich_s_eye_bullets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/xazog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6681/8721/files/24355266102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8945/3473/files/dopetemexowepikuzenopili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5693/1751/files/tobipazogujasozik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1685/5453/files/31454075559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3907/files/xemosakudowageguron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7099/7151/files/34776553449.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4287/3249/files/buwutonaziditozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/31847019527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8577/4502/files/72501489274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3532/0735/files/lawn_mower_spark_plug_gap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7270/7990/files/14686474761.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_off00007e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E75 | 5336 bytes |
SHA-256: a154d23f59ecfb9798a5a1203ecd2c38f3fa370cdb3a26e0b8d6ba317e6e6375 |
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font_01_sfnt_off000090c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90C0 | 10192 bytes |
SHA-256: 9ca54334e87c6847ba2f1568007dc8cdbc8f22d484860f3f44bb18c46fb1e121 |
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