MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources, indicating a link farm. One critical heuristic identified a link to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector identified by the heuristic, suggesting the document's primary purpose is to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=accounting+equation+solved+examples+pdf In PDF document text
- http://files.kelseyleon.com/uploads/1/3/2/3/132303245/rabam.pdfIn PDF document text
- http://files.calliebell.com/uploads/1/3/0/8/130873820/f046215555.pdfIn PDF document text
- http://files.darkfableminiatures.com/uploads/1/3/1/4/131482931/wesanoxovor.pdfIn PDF document text
- http://lakonud.ehmotorcredit.com/uploads/1/3/1/0/131070450/7629446.pdfIn PDF document text
- http://files.ironstonemeadery.com/uploads/1/3/2/6/132683168/5491caac204bc.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/1/0437/5897/7178/files/pabuzusanado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4401/1168/files/ski_doo_mxz_trail_schematics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2829/7381/files/stanadyne_injector_pumps.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4031/7350/files/pseudo_dionysius_mystical_theology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1336/4121/files/fugawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/10603775480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/12279923206.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0168/3873/files/parkour_maps_for_minecraft.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/nupaxejili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5481/7690/files/56404707721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9240/1573/files/judizosanudinonevumizek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0926/1220/files/github_image_size.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6100/8791/files/10036732127.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8392 | 5504 bytes |
SHA-256: 7f31fcf44bbf78bc726362425cded790ce615fcd282b3fc9299cc3df555f10d1 |
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font_01_sfnt_off0000963d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x963D | 13340 bytes |
SHA-256: b68ca7fe4b4efb6f3fc9a57f47b11dd28a8cbccada9ed4659b14b37f7e66cfa8 |
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font_02_sfnt_off0000c0c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C1 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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