MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, including a primary redirector at 'ttraff.ru'. The presence of a 'download button' heuristic and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. The document body itself contains obfuscated text and URLs, suggesting an attempt to disguise its malicious nature.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=ssc+result+2019+apps In PDF document text
- http://wumezim.motionxsynergy.com/uploads/1/3/2/6/132683188/jevimibej_razer.pdfIn PDF document text
- http://files.metroapplianceservice.com.au/uploads/1/3/1/1/131163920/kesomokikuvalokod.pdfIn PDF document text
- http://napivada.ergoholdings.com/uploads/1/3/1/3/131379362/tilila.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/1/0430/8615/1834/files/66817536344.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9515/3058/files/9635607030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8821/4171/files/download_myspace_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1389/8403/files/80832459932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2338/4219/files/asphalt_pavement_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0851/4455/files/hallelujah_jeff_buckley_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9901/9682/files/90248269477.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9339/2536/files/heart_of_worship_chords_key_of_e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4046/4281/files/unifi_ssh_commands.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7938/4734/files/mathematics_reference_books_for_class_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/bovobowasebe.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF1 | 5512 bytes |
SHA-256: 6c19c4d7dd08789ecbec33af5a4ccbe539a80de3c0eba50cc8ad8213e0a726ab |
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font_01_sfnt_off00007eb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB1 | 6000 bytes |
SHA-256: 4bd252324aa700743c48d1a1cad8af485d36ac3fb9e2cef41968ab87dbc98063 |
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font_02_sfnt_off0000921f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x921F | 12476 bytes |
SHA-256: 1cf6efda23e42c9c981ec24a08ba48e24b1c31abbbd96f61afbc1022e2cd5fab |
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