MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing for a PDF link farm. One of the primary links points to a known malicious redirector. The document body contains garbled text but also includes the URL 'https://ttraff.ru/pify?keyword=latex+font+sizes', which is flagged as malicious. The presence of numerous links, including a malicious redirector, suggests an attempt to lure users to malicious sites or manipulate search engine results.
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.ru/pify?keyword=latex+font+sizes In PDF document text
- http://files.janinemillerdelany.com/uploads/1/3/2/7/132740270/d44cb5b.pdfIn PDF document text
- http://files.bethbooram.org/uploads/1/3/2/6/132695651/dububesovadewibudeb.pdfIn PDF document text
- http://files.mdsmeats.co.uk/uploads/1/3/1/3/131383665/nuxevilupiju.pdfIn PDF document text
- http://files.evan-hawkins.com/uploads/1/3/1/0/131069863/f3cd707dd4.pdfIn PDF document text
- http://files.athenspassportmagazine.com/uploads/1/3/1/4/131452870/tubud.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/1/0432/3095/3627/files/big_girls_don_t_cry_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2637/5071/files/walmart_cashier_training_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2194/9335/files/tmux_kill_pane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6753/1673/files/28750494896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5127/6696/files/niwezaguvuzoxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8807/5159/files/rololefibepasiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6083/8050/files/povojukekarizem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/furosegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1390/6333/files/ferew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7386/2808/files/53426513927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3057/6285/files/wimivusabiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/fupada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21244882445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/34063584892.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_off00007576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7576 | 4480 bytes |
SHA-256: eebaf5c209826145d81c858ef33d0c18412ddbb011bafb34c8775720db1d7e25 |
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font_01_sfnt_off000084cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84CD | 10148 bytes |
SHA-256: f3c0db34ea307eda4370944045febc5475dbf476e67d46bed430f53d1cbdddf3 |
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font_02_sfnt_off0000a75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA75A | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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