MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to mimic search results for a 'cissp book pdf free'. The primary malicious link, https://ttraff.cc/pify?keyword=cissp+book+pdf+free, redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains this URL and other links to Shopify domains, suggesting a phishing or scam attempt.
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.cc/pify?keyword=cissp+book+pdf+free In PDF document text
- http://files.magicmudceramics.com/uploads/1/3/0/7/130740462/c3a76e7c0d8.pdfIn PDF document text
- http://files.alohachapter99s.org/uploads/1/3/0/7/130776246/d2a8831be.pdfIn PDF document text
- http://gebifopim.accruemineralsltd.com/uploads/1/3/1/0/131070314/d1f051.pdfIn PDF document text
- http://ritere.neilmckenzieyouthfishingcontest.org/uploads/1/3/2/6/132680955/rekawakaleje.pdfIn PDF document text
- http://files.bentnotbrokenscoliosis.com/uploads/1/3/0/7/130776393/livuti_favelinuvejo_luvobiduzunome_wipizewifadik.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/1/0427/8052/4710/files/monigegupisakukonoginonax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8627/7784/files/sikojani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/neximupanorilugipopizufum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3101/0199/files/4716167828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sezam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/40448236351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0785/8072/files/dagokivivupitemerupoxis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pafinekumukomotutawewokab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/search_inside_yourself_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6264/7189/files/guzira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2371/8805/files/verbe_avoir_et_etre_au_present.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6741/6488/files/jajisedekivugejumasas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8241/6281/files/guxefegegagizak.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_off00008304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8304 | 4904 bytes |
SHA-256: 3005f0c0dff13fa9bc1598ced32eb23e089ea0fa80c843410a83bd76501982fd |
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font_01_sfnt_off000093bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93BB | 10360 bytes |
SHA-256: 2ceccdb7b22a945b18477d848749f8c390bfc7c2d988afc7fb4da40af4e37394 |
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