MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=electronic+measurements+and+instrumentation+textbook+pdf'. This indicates a social engineering attempt to lure users to malicious infrastructure under the guise of providing a textbook. The ML classifier strongly supports the malicious nature of this PDF.
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=electronic+measurements+and+instrumentation+textbook+pdf In PDF document text
- http://files.totalcrane.com/uploads/1/3/2/6/132696174/5999979.pdfIn PDF document text
- http://files.kenziemorganphotography.com/uploads/1/3/0/7/130738912/vixiresudexojobopala.pdfIn PDF document text
- http://files.preferredfuturetherapy.com/uploads/1/3/1/8/131871642/vazigunuvope.pdfIn PDF document text
- http://files.automaticpocketdoor.com/uploads/1/3/1/4/131438216/bubegedifo_gopup.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/1/0433/0687/7080/files/32505595602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/tirajixuvozelokuvon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/38066643197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/tcpdf_html_to_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5456/3477/files/mabixisadawapixasapef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4854/1087/files/bali_indonesia_travel_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4183/3635/files/degotexeruwevurofamiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0429/files/69841254421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9947/2550/files/ground_handling_deluxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1428/3686/files/wiferutibipepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6208/3232/files/98546779338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2007/4663/files/jalenisutiv.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_off00006317.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6317 | 5532 bytes |
SHA-256: 57a7bbc1fa0d48758cc8dd9c2ad52d924033c45ad4469bf2b6b41353f0c255ca |
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font_01_sfnt_off000075c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C7 | 2116 bytes |
SHA-256: 2d35fe1b112251630f6c3e185fb4bf58c6327cea99f60afab3ca0473214b5b30 |
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font_02_sfnt_off00007f93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F93 | 10556 bytes |
SHA-256: eb8656b07aca5148e899efe6fb20c92cc91cdfa04790c52296bfc01e0f37534e |
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