MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains this URL and a lure related to enabling flash in Chrome on Android. The presence of a large number of external PDF links, many hosted on shopify.com, suggests a link farm intended to obscure the malicious redirector. The file is likely a social engineering lure to trick users into visiting a malicious site.
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.cc/pify?keyword=enable+flash+in+chrome+android In PDF document text
- http://files.anneremmel.com/uploads/1/3/1/3/131398347/5754285.pdfIn PDF document text
- http://files.prigitalsolutions.com/uploads/1/3/1/0/131071076/577897.pdfIn PDF document text
- http://files.williamsburgrec.com/uploads/1/3/2/6/132682745/tagogumolizim_fofuzipupi.pdfIn PDF document text
- http://files.earthmetaldetecting.com/uploads/1/3/1/3/131383486/0aa6096dc92d1.pdfIn PDF document text
- http://vakefuz.creative-twinkles.com/uploads/1/3/1/8/131856281/zejegasez.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/1/0433/6454/8762/files/java_collections_sort.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8954/3836/files/lavikuduvowutiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3584/3994/files/boviw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1440/3742/files/zemaxibeloxax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/lateralization_soil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/kanes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/network_screenplay_paddy_chayefsky.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/pijezolula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3550/8392/files/fumigufefoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/lovagugekigezuwat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3705/6414/files/kiwoliwazan.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000629a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629A | 5360 bytes |
SHA-256: dcdc4fda64d50cd9562ba74a7edc7d9cece7837010f61e71bda462cae1f013c5 |
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font_01_sfnt_off0000749d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x749D | 10144 bytes |
SHA-256: eae58374b612cb8b0ef25cc542f01be0fefdadc2b7ff87533de75b3d32e7009b |
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font_02_sfnt_off00009784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9784 | 16084 bytes |
SHA-256: f8a29ee99fa618751840f4bb470ac1c8deea637908770bd91c39adf1e18f92d0 |
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