MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'https://ttraff.ru/wb?keyword=overactive%20bladder%20training%20pdf'. This suggests a phishing or scam attempt, leveraging a seemingly innocuous document topic to drive traffic to malicious infrastructure. The file's structure and the presence of many external links indicate it's part of a link farm designed for SEO manipulation or to distribute malware indirectly. No scripts were extracted, limiting the analysis of direct payload execution.
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/wb?keyword=overactive%20bladder%20training%20pdf In PDF document text
- http://files.thijmendoornik.com/uploads/1/3/1/8/131871633/bobuxinarepesi_dadax_wewoxepa.pdfIn PDF document text
- http://files.madamejohanna.com/uploads/1/3/1/4/131453065/widaxa.pdfIn PDF document text
- http://files.mobiledetailinglasvegas.com/uploads/1/3/0/8/130815381/gaxuvigupijux_xolegomabum_soxalixesixef_gopuk.pdfIn PDF document text
- http://files.tamarahaddonart.com/uploads/1/3/2/6/132681513/ruziziwaluzurut_juniwapakenog.pdfIn PDF document text
- http://files.justonlyjenn.com/uploads/1/3/2/8/132816042/0ff36e62482bf4b.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/1/0427/7141/5196/files/61405838813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5040/0928/files/nfl_spielplan_2020_18.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5658/5121/files/surosenarubotat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6670/4550/files/the_lonely_island_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/lugerup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7047/8746/files/36472294579.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/daxiwozovujuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4114/4483/files/34155517267.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2730/7416/files/37186840485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9027/2675/files/rutinas_calistenia_principiantes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/nonaxunujedafewatid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7062/6723/files/15704436269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3280/4504/files/pukivelufedubareselasulel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6310/8003/files/zudinowuro.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_off00007f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F3E | 5048 bytes |
SHA-256: de3d7d3cabb99f6b90d41f18a9e31c3f8c2ebc587fb00be7bffc75e9a4341221 |
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font_01_sfnt_off00009079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9079 | 9740 bytes |
SHA-256: 9b8e18a2222bd96f60692aa58c96aa1811fda28b7eb8272b4c3567af1ba055bd |
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font_02_sfnt_off0000b1d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D2 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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