MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to Shopify domains hosting other PDFs, forming a link farm. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the string 'transistor a1015 datasheet pdf', suggesting a lure to disguise the malicious links as technical documentation. The primary intent appears to be redirecting users to malicious infrastructure.
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.com/pify?keyword=transistor+a1015+datasheet+pdf In PDF document text
- http://files.exeterthreading.co.uk/uploads/1/3/2/6/132695780/xinonuwotud.pdfIn PDF document text
- http://files.mheine.com/uploads/1/3/2/6/132682976/94ec35cfd0.pdfIn PDF document text
- http://files.forestburgbaptist.org/uploads/1/3/2/6/132695511/xubifixe.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/1/0428/9835/8432/files/98559129476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9915/1768/files/97725494601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6265/7177/files/poxivodetanudedotuwelot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8984/4631/files/utau_download_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1689/6159/files/55397113502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/repasones.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/53365051252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7055/3238/files/fugegasozepalosuxiralu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4741/8016/files/23971790270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2155/0247/files/varag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7966/3765/files/xeduxeri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6341/9815/files/pefejidosanorali.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_off00006f83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F83 | 19936 bytes |
SHA-256: 452e05f1b5c6017fd591d74cf47fe0f4986d01ad17845400920abf150318b375 |
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font_01_sfnt_off0000ae9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE9B | 5364 bytes |
SHA-256: 45494c4a97f8b05494972a09088f3c18f89ec12190278d8316e90462c1d6ff35 |
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font_02_sfnt_off0000c0d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0D4 | 15932 bytes |
SHA-256: 07d476b3e4be9008ea58ce23c46878c8d82a090529e9e2c28cb95233a2d5c760 |
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font_03_sfnt_off0000f245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF245 | 16260 bytes |
SHA-256: a56c3305eae8c274f9530afc53b94bb11aea5b2e4106fccae25e6adbba8aa2c3 |
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