MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One prominent link, 'https://ttraff.cc/pify?keyword=classifying+organisms+lab+28+answers', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and other PDF links, suggesting a lure to download or access content, likely leading to further malicious sites. The presence of a 'download button' heuristic reinforces this interpretation.
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=classifying+organisms+lab+28+answers In PDF document text
- http://files.ankorsvolunteer.com/uploads/1/3/0/7/130739693/fazijisuwojam.pdfIn PDF document text
- http://files.myroamingspirit.me/uploads/1/3/0/8/130813888/josesoxudaw-zizeteduruk-mezagiveverapi-litotosisofox.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/1/0427/8334/2748/files/7045748290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8560/1695/files/wexarixav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7058/4987/files/asme_codes_and_standards_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8383/files/the_quest_daniel_yergin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1931/3053/files/karen_carpenter_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9973/2633/files/partnership_firm_accounts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8649/5400/files/zowevusurej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4188/8155/files/dirifetotumed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1798/4410/files/53796934180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/mowiganitaxozugivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/nikon_sb_600_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/68683790166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9639/9269/files/medical_tourism_articles.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_off0000aeac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEAC | 5476 bytes |
SHA-256: e74dae9266ab8618f61f220f294f7f508c3c6abe65c78e0c5b9103bbde441b74 |
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font_01_sfnt_off0000c143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC143 | 10664 bytes |
SHA-256: e2bcc5295beaf6ce7b47832fa198d22e2bdbfef8994f5ad6d062922e3d04dcc4 |
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font_02_sfnt_off0000e549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE549 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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