MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a significant number of embedded links. One critical heuristic indicates these links point to a known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=love+message+apk+app`. Another heuristic identified a large PDF link farm, with many links hosted on `cdn.shopify.com`. The document body, though heavily obfuscated, also contains the URL `https://ttraff.ru/pify?keyword=love+message+apk+app` and several `cdn.shopify.com` URLs, suggesting a coordinated effort to lure users to potentially harmful content.
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=love+message+apk+app In PDF document text
- http://files.brandingfaithdesigns.com/uploads/1/3/0/7/130739856/pudazosi_nikitezowinadu_kotud_tuvawademakat.pdfIn PDF document text
- http://wixofo.mcnamarakenney.net/uploads/1/3/1/4/131452883/mumigawiv-tupebe-buganoxu.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/1/0431/7963/8942/files/kupox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7832/8221/files/80242839815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4175/8101/files/8212232841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4337/2703/files/bwakila_new_comedy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowojemabedeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5936/3483/files/nuwezoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0372/2398/files/37255212589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8383/2227/files/bilayer_floating_tablets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/famifumifogoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4316/8156/files/ca_medular_de_tiroides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2137/6410/files/bomoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/kudinuzokina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5353/0788/files/menulejudojibixiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5875/5749/files/ubqari_magazine_april_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8130/2167/files/67697250338.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3C | 5076 bytes |
SHA-256: bc088e02f0648cdb090158f7af03de3938698578a6701e1e59648c222589eaa1 |
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font_01_sfnt_off00006d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D7F | 3124 bytes |
SHA-256: 5350b92e28945da3c718589840ca16ce9b16d244ff19875df27511f0d1d40de7 |
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font_02_sfnt_off00007a6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A6A | 10432 bytes |
SHA-256: 4246c875eace8158106aeb77d91f720173d32b2ef3933abe0bab34db3306b1a7 |
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font_03_sfnt_off00009e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E6E | 16164 bytes |
SHA-256: 4b52fd5da643d9c08cc0a86f773b2f024e3274f3f861dfcac100db1ef433cf06 |
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