MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=slope+stability+analysis+journal+pdf. The document body, though heavily obfuscated, also contains this URL and other links pointing to Shopify domains, suggesting a link farm or redirection strategy. No scripts were extracted from this sample.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=slope+stability+analysis+journal+pdf In PDF document text
- http://files.fabledcollective.com/uploads/1/3/1/3/131384335/sodoves.pdfIn PDF document text
- http://xidotidi.ncadtraining.com/uploads/1/3/0/9/130969060/65a8b45bc9db92.pdfIn PDF document text
- http://files.stohrdesign.com/uploads/1/3/2/8/132814972/4595521.pdfIn PDF document text
- http://files.restorerepairmissionaryoutreach.org/uploads/1/3/0/7/130739892/pozazexexugarizeja.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/1/0433/4492/0734/files/sopasasubabifiwafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mavadusuwavofemikedoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1031/0822/files/81710511975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/alveolos_anatomia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4261/9035/files/the_tempest_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/las_7_bellas_artes_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3483/7149/files/2313445935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1100/4821/files/266376764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6214/0840/files/66942911724.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0078/9154/files/rf_to_eu_ratio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0410/8711/files/gym_workout_chart_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4981/0080/files/74158814727.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
🗂 Part of campaign:
projectdental.org
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A5B | 5456 bytes |
SHA-256: be8122c4dcad157c06ae6a2e0a6284044b37771bf30b779fd55ec7159fb70b5e |
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font_01_sfnt_off00007cf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CF9 | 10000 bytes |
SHA-256: f4ba6cf467dc5e421e4f3008e3c84457fdbce126f7b1ba44e988d9b7bd884c73 |
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